the environmental kuznets curve environmental protection policy and income distribution abstract the effect of economic growth on pollution emissions differs substantially among high income countries i address this issue by analyzing public environmental policy decisions individual heterogeneity relative income effect and the political framework in which policy decisions are taken determine the emergence of the downward sloping segment of the environmental kuznets curve ekc income inequality produces a gap between the country s ability to pay for environmental protection and a country s willingness to pay i test this result by using oecd data on public r d expenditure for environmental protection the conclusion is that contrary to the ek hypothesis moments of the income distribution function other than the mean may be important for the emergence of a virtuous path of sustainable growth in high income countries

a dynamic approach to the environmental kuznets curve hypothesis abstract the environmental kuznets curve ekc hypothesis states that pollution levels increase as a country develops but begin to decrease as rising incomes pass beyond a turning point in ekc analyses the relationship between environmental degradation and income is usually expressed as a quadratic function with the turning point occurring at a maximum pollution level other explanatory variables have been included in these models but income regularly has had the most significant effect on indicators of environmental quality one variable consistently omitted in these relationships is the price of energy this paper analyzes previous models to illustrate the importance of prices in these models and then includes prices in an econometric ekc framework testing energy income and co2 income relationships these long run price income models find that income is no longer the most relevant indicator of environmental quality or energy demand indeed we find no significant evidence for the existence of an ekc within the range of current incomes for energy in the presence of price and trade variables

integrated value assessment using paired comparisons abstract a survey methodology is described which uses paired comparisons in combination with contingent valuation to assess individuals values concerning the conservation of a rare mammal species the mountain pygmy possum burramys parvus value expressions which can be accommodated by economic theory are distinguished from those which are best represented by a noncompensatory preference structure a procedure for aggregating data involving these two categories of value expression is described this integrated value assessment is more inclusive than the conventional approach of using contingent valuation and other economic data within a benefit cost framework a comprehensive assessment of the value implications of a proposal can be undertaken in which the actual rather than assumed structures of individuals values are taken into account

signalling or human capital evidence from the finnish polytechnic school reform we use data from the finnish polytechnic reform to distinguish between human capital and signalling theories of the value of education we find that the reform increased the earnings of polytechnic graduates compared with those graduating from the same schools before the reform as predicted by both the human capital and the signalling models however we also find that the relative earnings of vocational college graduates decrease after polytechnic graduates start entering the labour market this finding is inconsistent with the pure human capital model and can be interpreted as evidence that supports the signalling model

payment vehicles for public goods evidence from california s proposition 21 proposition 21 on california s 2010 ballot concerned an annual surcharge on vehicles to support state parks proposition 21 failed leaving 25 of california state parks at risk of closure we analyze voting patterns which we show depend on the average gross price of the proposition political ideology environmental preferences the availability of substitutes and park salience we simulate counterfactual scenarios under which proposition 21 might have passed and use holdout samples to illustrate the predictive ability of our model heterogeneity across california makes our model potentially useful for predicting public sentiment for similar propositions even for jurisdictions without direct democracy

interrelationships between income health and the environment extending the environmental kuznets curve hypothesis abstract this paper examines the link between the health indicators and the environmental variables for a cross section of countries widely dispersed on the economic development spectrum while environment and income are seen to have an inverted u shaped relationship environmental kuznets curve ekc hypothesis it is also well established that environment and health are positively related our study focuses on the implications of this for the relationship between health and income in the early phases of income growth the gains in health and the losses in environmental quality could cancel each other out and this challenges the idea that as incomes increase health would always improve to empirically analyse these issues we estimate a two stage least squares model that focuses on the impact of income and the environment on health status with environment being an endogenous variable our results show that the environmental stress variable has a significant negative effect on health status at the same time gross national product gnp levels are shown to vary positively with health status variables we find that the health gains obtained through improved incomes can be negated to a significant extent if the indirect effect of income acting via the environment is ignored research findings in this regard would be a useful policy instrument towards maximising both the environmental and health gains that come with economic growth and development

a framework for scaling and framing policy problems in sustainability abstract it is argued that a necessary but lacking component of our approach in seeking policy responses to sustainability issues is some repeatable means whereby the relative magnitude and characteristics of these various policy problems faced in a given context can be analysed and described to this end a simple and tentative framework is constructed based on the definition of the key attributes which shape policy problems pertaining to environmental change these are spatial scale of cause and effect magnitude timing and longevity of possible impacts reversibility mensurability complexity and connectivity nature of cause s relevance to the given polity tractability availability and acceptability of means public concern and existence of goals these attributes inform a general taxonomy of micro meso and macro problems the attributes and the taxonomy are described with supporting examples to illustrate possible application of the framework it is discussed briefly in the contexts of operationalising the precautionary principle and policy instrument choice it is concluded that the framework can help focus debate and operationalise vague principles introduce relativity into the notion of sustainability and make policy choice more efficient

explaining the appearance and success of open space referenda many communities in the united states have begun enacting policies to preserve open space often through local voter referenda new jersey sponsors such municipal action through the green acres program by providing funding and low interest loans to towns that choose to increase property taxes and spend the money raised on open space preservation for the purposes of conservation and or recreation this paper endeavors to understand which factors contribute to the appearance and success of these measures although previous literature has examined this issue this is the first study to account for spatial dependence spatial autocorrelation and to explore dynamic issues through survival analysis the traditional two stage model from the literature is extended by incorporating a bayesian spatial probit for the first stage and a maximum likelihood spatial error model in the second stage a cox proportional hazard model is used to examine the timing of referenda appearance spatial dependence is found in the second stage of the analysis indicating that future studies should account for its influence there is no strong evidence for spatial dependence or correlation in the first stage the survival model is found to be a useful complement to the traditional probit analysis of the first stage

earnings inequality and mobility in the united states evidence from social security data since 1937 this paper uses social security administration longitudinal earnings micro data since 1937 to analyze the evolution of inequality and mobility in the united states annual earnings inequality is u shaped decreasing sharply up to 1953 and increasing steadily afterward short term earnings mobility measures are stable over the full period except for a temporary surge during world war ii virtually all of the increase in the variance in annual log earnings since 1970 is due to increase in the variance of permanent earnings as opposed to transitory earnings mobility at the top of the earnings distribution is stable and has not mitigated the dramatic increase in annual earnings concentration since the 1970s long term mobility among all workers has increased since the 1950s but has slightly declined among men the decrease in the gender earnings gap and the resulting substantial increase in upward mobility over a lifetime for women are the driving force behind the increase in long term mobility among all workers

environmental kuznets curves real progress or passing the buck abstract recent research has examined the hypothesis of an environmental kuznets curve ekc the notion that environmental impact increases in the early stages of development followed by declines in the later stages these studies have focused on the relationship between per capita income and a variety of environmental indicators results imply that ekcs may exist for a number of cases however the measures of environmental impact used generally focus on production processes and reflect environmental impacts that are local in nature and for which abatement is relatively inexpensive in terms of monetary costs and or lifestyle changes significantly more consumption based measures such co2 emissions and municipal waste for which impacts are relatively easy to externalize or costly to control show no tendency to decline with increasing per capita income by considering consumption and trade patterns the author re examines the concept of the ekc and proposes the use of alternative consumption based measures of environmental impact the author speculates that what appear to be improvements in environmental quality may in reality be indicators of increased ability of consumers in wealthy nations to distance themselves from the environmental degradation associated with their consumption

political and economic inequality and the environment abstract this paper analyzes and tests the hypothesis that political and economic equality result in lower levels of environmental degradation based on formal statements of the argument put forward by boyce r 1994 ecological economics 11 169 178 i show that equality may or may not be necessary to minimize degradation under some plausible conditions greater inequality may even be conducive to lower degradation actual results depend primarily on the intersection between the distribution of preferences across groups and the institutional rules two cross national empirical tests tend to support the contention that distributional issues do not systematically explain variations in environmental quality the results reinforce the conclusion that assumptions about the structure of preferences and workings of social choice institutions ignore complex interactions which influence the relationship between degradation and equality

critical natural capital a socio cultural perspective abstract critical natural capital cnc is commonly defined as that part of the natural environment which performs important and irreplaceable functions so far the challenge to determine the criticality of natural capital nc has mainly been taken up by the natural sciences and the critical functions of nature mainly associated with its life support and ecological services little attention has been paid to the socio cultural functions of nc and to their values for the health and well being of human societies the aim of this paper is to encourage a more complete accounting of the critical functions of nc and its associated values by highlighting the importance of the information functions health recreation amenity education heritage etc for the quality and sustainability of human life it is argued that despite their immaterial and often intangible nature these functions provide many socio economic benefits which might be assessed through both qualitative and quantitative valuation methodologies integration of ecology sociology and economics is essential to operationalize the concept of cnc as a tool for more balanced environmental planning and decision making

sustainability and technical progress a rigorous model connects together the following three basic concepts 1 sustainability meaning the generalized future power of an economy to consume over time 2 green nnp meaning a current measure of national income that subtracts off from gnp not just depreciation of capital but also more generally depletion of environmental assets evaluated at current efficiency prices 3 technological progress meaning a projection onto the future of the so called solow residual a simple general formula is derived some crude calculations suggest a possibly strong effect of the residual which hints that our best present estimates of long term sustainability may be largely driven by predictions of future technological progress

planning for sustainability as a learning concept abstract the major theme of the following discussion is the importance of a transdisciplinary approach to guide sustainability related planning and management activities the proposed approach involves much more than the usual interaction between partners from different disciplines a revised process is needed to allow real cooperation in sustainability planning this process will require a more open recognition of the subjective priorities that become the framework of sustainable development issues of various interest groups and disciplines the sustainable development agenda should be more geared towards learning processes than projected future outcomes learning is enhanced through a participatory framework inclusive of stakeholder interests insights from a broad range of disciplinary areas including the science of complexity sociology philosophy law economics and management are presented to support this position the conventional stranglehold of disciplinary thinking in policy circles limits the capacity of our decision makers to unravel the complexity of all real world environmental policy and management problems policy making needs to embody respect for that complexity and allow flexibility to promote perpetually evolving learning as a fundamentally transdisciplinary framework ecological economics has some prospect to represent these interests in a purposeful and necessarily pragmatic way

the relevance of attitudinal factors for the acceptance of energy policy measures a micro econometric analysis abstract this paper empirically examines the individual support of the german energy transition in total and especially of six single energy policy measures which are components of the energy transition our micro econometric analysis with binary and ordered probit models on the basis of data from a broad survey of citizens reveals the important role of several attitudinal factors with respect to our indicators for perceived personal costs of the energy transition the estimation results point to a weak evidence for economic self interest due to some negative correlations between expected energy price increases due to the energy transition and the support of single energy policy measures interestingly however the concern that the energy transition alone causes strong energy price increases is not shared by the majority of the respondents the estimation results also suggest that the support of several energy policy measures is strongly correlated with environmental values however the most important attitudinal factor is obviously political identification the econometric analysis suggests that an overall left green policy identification is positively correlated with the support of the energy transition in total and an identification with ecological policy is positively correlated with the acceptance of several single energy policy measures the econometric analysis especially supports the more sophisticated categorization of political orientation since for example a liberal conservative policy orientation is not significantly correlated with the support of the energy transition in total

commensuration and theories of value in ecological economics abstract without a theory of value price in ecological economics the valuation of ecosystem and economic resources cannot be rigorously defended at the crux of the matter is the valuation or mixed units problem of commensurating biophysical inputs outputs which are different this paper critically reviews candidate theories of value which have emerged in the ecological economics literature for dealing with this problem first of all the neo ricardian approach using sraffa type systems is discussed in particular judson s assertion that the sraffa system is suitable for ecological economics is questioned as it is based on circular flow generation of a surplus and exchange values none of these ideas are consistent with a biophysical characterisation of an economic system which is paramount in ecological economics a more fruitful avenue for establishing a biophysical theory of value based on ecological and thermodynamic principles is to extend patterson s quality equivalent methodology qem to explicitly include mass flows in addition to energy at this point a model close to costanza and hannon s biosphere model of price determination emerges the extended qem model however has a number of important advantages over the costanza hannon model because it has a more generalised formulation and is not reliant on necessarily using solar energy as the numeraire the paper concludes with a discussion of some outstanding issues that need to be resolved before a biophysical theory of value can be properly established in ecological economics

on modeling human behavior and institutions in simple ecological economic systems abstract the use of stylized dynamical systems models and bifurcation analysis in modeling individual and collective behavior in two traditional societies the tsembaga of new guinea and the polynesians of easter island is explored the analysis is used to isolate key aspects of individual behavior that open up the possibility of resource overexploitation and key aspects of institutions capable of preventing overexploitation an extension of the brander and taylor am econ rev 88 1998 119 138 easter island model with a more realistic model for individual behavior is presented this induces significant changes in the model dynamics which share many similarities with the tsembaga model of anderies j theor biol 192 1998 515 530 namely in both models the ability of agents to intensify the exploitation of the resource base to attempt to meet demands is a fundamentally destabilizing force the model implications for present day policy issues are explored

niche diversification in environmental ecological economics abstract this paper is devoted to the identification and comparison of the niches of neoclassical environmental economics nee and ecological economics eco it is presented in four sections section 1 argues that the existing literature does not make the differences and relations between the sister disciplines neatly transparent section 2 critically examines the antecedents of the subjects with reference to three structural dimensions such as scarcity perception problem solving orientation and range of integration section 3 collates the elements and reformulates the definitions section 4 is coda on the essay the divide between the paradigms which came to the surface during the 1960s became prominent through the growth controversy of the subsequent decade the controversy over the need for change of economic theory to cope with the growing intensity of environmental uncertainty makes the disciplines sore about each other the neoclassical paradigm comprising of elements like relative scarcity allocative approach market correction and technological optimism characterises nee the distinguishing characteristics of eco include thermodynamic irreversibility absolute scarcity economy ecosystem symbiosis biophysical approach ecological stewardship and prudent pessimism the niches are competitive and complementary in some respects and thus provide a unique example of fruitful niche diversification within environmental ecological economics we have a feeling that the economics profession can trace out the interface of the disciplines in some policy areas and raise the effectiveness of prescriptions so that this academic species diversity can serve humankind to its full potential

the genuine progress indicator methodological developments and results from australia abstract this paper is a contribution to the continuing development of the methods and results for the index of sustainable economic welfare also known as the genuine progress indicator gpi it attempts a more systematic approach to some of the components of the gpi it includes a more careful specification of types of capital and more plausible methods of estimating the costs of depletion of non renewable resources and environmental damage due to ozone depletion in addition the paper attempts a more comprehensive treatment of the value of time including the costs of unemployment and overwork results of the gpi calculations for australia over the period 1950 1996 are presented and analysed

economic growth and emissions reconsidering the empirical basis of environmental kuznets curves abstract recent empirical research indicates that certain types of emissions follow an inverted u or environmental kuznets curve ekc as income grows this regularity has been interpreted as a possible de linking of economic growth and patterns of certain pollutants for developed economies in this paper the empirical basis of this result is investigated by considering some statistical particularities of the various ekc studies performed it is argued that the inverted u relationship between income and emissions estimated from panel data need not hold for specific individual countries over time based on insights from intensity of use analysis in resource economics an alternative growth model is specified and estimated for three types of emissions co2 nox and so2 in four countries netherlands uk usa and western germany it is found that the time patterns of these emissions correlate positively with economic growth and that emission reductions may have been achieved as a result of structural and technological changes in the economy sustainable growth is defined as the rate of economic growth that does not lead to growth in emissions its rate is calculated for each type of emission and country based on estimated parameter values the resulting indicators reflect a balance between the positive influence of growth and negative influence of structural change and technological progress on emission levels

a theoretical foundation to support the index of sustainable economic welfare isew genuine progress indicator gpi and other related indexes abstract for some time now ecological economists have been putting forward a threshold hypothesis the notion that when macroeconomic systems expand beyond a certain size the additional cost of growth exceeds the flow of additional benefits in order to support their belief ecological economists have developed a number of similar indexes to measure and compare the benefits and costs of growth e g the index of sustainable economic welfare isew and the genuine progress indicator gpi in virtually every instance where an index of this type has been calculated for a particular country the movement of the index appears to reinforce the existence of the threshold hypothesis of late a number of observers have cast doubt over the validity of these alternative indexes one of the concerns commonly expressed is the supposed lack of a theoretical foundation to support the isew the gpi and other related indexes by adopting a concept of income and capital outlined by fisher nature of capital and income a m kelly new york 1906 this paper demonstrates that these alternative indexes are theoretically sound but in order to be broadly accepted require the continuous development of more robust valuation methods

does nnp growth indicate welfare improvement abstract we show that instantaneous increases in real nnp over time are an accurate indicator of true dynamic welfare improvements this highlights a connection between the theory of green or comprehensive national income accounting and the theory of real price indices

demand for environmental goods evidence from voting patterns on california initiatives this article studies voting behavior on 16 environmental ballot propositions in california in order to characterize the demand for environmental goods the environment is found to be a normal good for people with mean incomes but some environmental goods are inferior for those with high incomes at least when supplied collectively an important price of environmental goods is reduced income in the construction farming forestry and manufacturing industries income and price can explain most of the variation in voting there is little need to introduce preference variables such as political ideology

signaling versus contingent contracts with costly turnover abstract typical models of educational signaling assume firms are uncertain of worker ability however there are both theoretical and empirical problems with such models in contrast as in salop and salop quarterly journal of economics 90 1976 619 a model is considered in this paper in which individuals differ in the likelihood of quitting and firms are unaware of an individual s quit propensity education signals one s commitment to remain in a particular sector or occupation alternatively firms may offer back loaded wages contingent contracts that may avoid signaling the analysis suggests too little signaling may occur because contingent contracts may not be socially preferable to signaling and because individuals may prefer not to signal when signaling is efficient and contingent contracts are not chosen by firms

who votes for public environmental goods in california evidence from a spatial analysis of voting for environmental ballot measures abstract voting referenda provide direct evidence of the demand for public goods a number of previous studies have used referenda to analyze the support for public environmental goods these studies have used aggregate data from large jurisdictional units usually counties and summary income measures such as the mean or median and have usually found that higher income areas offer greater support for environmental propositions we examine environmental referenda voting in california using census block group data spatial dependence controls and detailed income distribution data we find that household income has a negative marginal effect on environmental referenda voting for most of the income range when using census block data in addition controls for spatial dependence significantly reduce the magnitude of most coefficients this suggests that ols estimates of referenda determinants are biased we also show that county level data may be subject to severe aggregation bias and might not be appropriate for referenda studies

new methodology for the ecological footprint with an application to the new zealand economy abstract sustainable development has become a primary objective for many countries throughout the world since the late 1980s a major difficulty associated with sustainable development objectives however is the absence of reliable indicators to measure progress towards the goal of sustainability the ecological footprint provides an estimate of the land area necessary to sustain current levels of resource consumption for a given population on an aggregate basis the ecological footprint may be compared with the amount of ecologically productive land available to give an indication of whether consumption patterns are likely to be sustainable this paper proposes the use of a modified form of input output analysis to calculate the ecological footprint the input output approach provides a consistent means of calculating an ecological footprint using data collected as part of the system of national accounts in most developed countries in addition it makes explicit the link between the level of economic activity in a country and its corresponding impact on the environment an application of this methodology to new zealand indicates that it takes 3 49 has of ecologically productive land per year to sustain the average new zealander s current level of consumption

one sided sustainability tests with amenities and changes in technology trade and population abstract if an economy with multiple consumption goods including environmental amenities uniquely maximises present value with constant discounting it is unsustainable at some time if either of two measures augmented net investment or the change in augmented green net national product are zero or negative then augmented denotes that time is treated as a productive stock which includes in each measure the value of future exogenous changes in technology or terms of trade adjustments are found to make each measure a test for individual sustainability when population grows exogenously the practical and philosophical rationale for testing sustainability in a present value maximising and therefore fully prescribed development path is discussed

incentive compatibility in signaling games with a continuum of types on donne deux resultats utiles pour demontrer l existence et pour caracteriser des equilibres de separation dans des jeux de signalement

the determinants of atmospheric so2 concentrations reconsidering the environmental kuznets curve this analysis explores the effects of income and the spatial intensity of economic activity on the atmospheric concentration of sulfur dioxide the results indicate that there is a u shaped relation between income and atmospheric concentration of so2 and an inverted u shaped relation between the spatial intensity of economic activity and so2 concentrations these results suggest that the spatial intensity of economic activity rather than income provides the impetus for policies and technologies that reduce so2 emissions based on this result the atmospheric concentration of so2 in developing nations may decline faster than indicated by previous analyses the potential for this decline depends on the rate at which income grows relative to population the trade off between the effects of income gains and the spatial intensity of economic activity on the atmospheric concentration of so2 is consistent with the notion that some environmental problems can be ameliorated by slowing population growth and increasing income levels

energy requirements of sydney households supporting the lifestyles of the populations of modern cities requires vast quantities of natural resources and leads to environmental stresses such as air and water pollution research into the metabolism of cities therefore aims at understanding the physical flows into within and out of cities with a view to reducing the use of resources and the environmental impacts one important physical indicator is energy use most studies on cities only consider direct or end user energy consumption since the function of cities is to serve the lives of their residents indirect energy use in cities or energy embodied in the consumption of goods and services by its residents can be regarded as being as important as direct energy use however physical models of cities are extremely complex and have difficulty in dealing with boundary issues and hence the indirect resource requirements in this paper we use input output analysis and detailed household expenditure data to yield comprehensive energy use breakdowns for the 14 statistical subdivisions of sydney multivariate regression and structural path analysis spa are used to interpret the results clear correlations can be drawn between energy use and income household size age and degree of urbanity the structural path analysis is used to demonstrate how significant differences in lifestyles between inner and outer areas of sydney leads to different energy use characteristics this final consumption based approach to analysing the energy requirements for households has important implications for measures aimed at reducing energy use which tend to only consider direct energy use d 2004 elsevier b v all rights reserved

economy and environment a theoretical essay on the interdependence of economic and environmental systems preface notation guide 1 introduction part i the physical economy environment system 2 closed physical systems a model 3 structure and time in the physical system 4 technological change and the environmental constraints to physical growth part ii the economic system 5 the price system 6 prices property and the environment 7 economic conflict and environmental change part iii environmental strategies in an evolutionary economy environment system 8 time uncertainty and external effects 9 the market solution 10 the stationary state 11 conclusions references index

education human capital and growth a personal perspective this article reviews the literature on the relationship of economic growth to the education levels of the labor force the emphasis is on yoram ben porath s contribution to some of the issues in this field the endogeneity of schooling the role of the public sector as an absorber of educated labor and the importance of personal human capital created by investments in reputation and personal relationships the f connection

the environmental kuznets curve and sustainability a panel data analysis abstract in recent years sustainability has represented one of the most important policy goals explored in the environmental kuznets curve ekc literature but related hypotheses performance measures and results continue to present a challenge the present paper contributes to this ongoing literature by studying two different ekc specifications for 10 middle east and north african mena countries over the period 1990 2010 using panel data methods for the first specification namely ekc we show that there is an inverted u shape relationship between environmental degradation and income while for the second specification namely modified ekc mekc we show that there is an inverted u shape relationship between sustainability and human development hd the relationships are shaped by other factors such as energy trade manufacture added value and the role of law more interestingly findings from the estimation show that ekc hypothesis hd and sustainability are crucial to build effective environmental policies

conservation of mass and instability in a dynamic economy environment system abstract this paper considers a variant of the neumann leontief sraffa general equilibrium models in the context of a jointly determined economy environment system subject to a conversation of mass condition it shows that the conservation of mass contradicts the free disposal free gifts and non innovation assumptions of such models that an expanding economy will be associated with continuous disequilibrating change in the material transformations of both economy and environment and that this change is uncontrollable through the price system

wealthier is healthier we estimate the effect of income on health using cross country timeseries data on health infant and child mortality and life expectancy and income per capita we use instrumental variables estimates using exogenous determinants of income growth to identify the pure income effect on health isolated from reverse causation or incidental association the long run income elasticity of infant and child mortality in developing countries lies between 0 2 and 0 4 using these estimates we calculate that over a half a million child deaths in the developing world in 1990 alone can be attributed to the poor economic performance in the 1980s

optimal timing of college subsidies enrollment graduation and the skill premium abstract the large increase in the skill premium has led many policy makers to propose increasing college subsidies as a strategy to increase college enrollment and reduce inequality existing analyses typically assume that there is no distinction between enrollment and graduation but in fact more than 50 of college enrollees do not graduate this highlights the need to explicitly model the decision to drop out in assessing the effect of subsidies i build a general equilibrium model of education choice that features an explicit dropout decision calibrate it to match key features of the us economy and use it to evaluate the impact of college subsidies on the supply of college educated labor i show that moving to a system in which subsidies are back loaded i e higher for juniors and seniors than for freshmen and sophomores will increase the supply of college educated labor even holding total subsides constant in fact this effect is larger than what would be accomplished by a uniform 50 increase in subsidies

schooling as human capital or a signal a new way is proposed to distinguish between the human capital and the signaling theories of the value of education if education is a signal then the essence of the signal should be distilled in the position of an individual in the distribution of education for his cohort estimating earnings equations that include both absolute years and relative percentile measures of education provides a test of the two competing theories analyzing two separate panel data sources under a range of alternative specifications we find that the years measure of schooling has a consistently significant positive effect on earnings but that the rank measure rarely does this evidence supports the conclusion that human capital rather than signaling is the predominant explanation of schooling s value

adjusting green nnp to measure sustainability weitzman provides a foundation for nnp as the stationary equivalent of a wealth maximizing path when there is a constant interest rate and no exogenous technological progress here the implications of weitzman s foundation are explored in a case encountered in resource models i e the case of non constant interest rates in a setting that allows for exogenous technological progress an expression for nnp is obtained that adjusts green nnp for anticipated capital gains and interest rate effects to produce a measure that indicates sustainability this result is important when measuring the relative sustainability of resource rich and resource poor countries i introduction how should net national product nnp be adjusted for the depletion of natural and environmental resources a prerequisite for examining this problem is to decide on an underlying notion of income at the personal level hicks 1946 defines income as the consumption that if kept constant would yield the same present value as a person s actual future receipts since market prices are not influenced by any single person this notion of income equals a person s maximal sustainable consumption at the national level national income can likewise be defined as the consumption that if kept constant would yield the same present value as the actual future consumption path unless the nation is a small open economy faced with given international prices this notion of national income will exceed

higher education elite institutions and inequality abstract we develop a model of higher education to analyze the effects of elite institutions on individual educational decisions and aggregate labor market outcomes elite institutions allow the most talented of a given population to separate themselves from the larger pool of agents enrolled in higher education and to earn the associated wage premium in the labor market as elite institutions engage in cream skimming the returns to publicly accessible education decrease and enrollment in public higher education declines the resulting effect on income inequality is ambiguous since elite education increases income dispersion at the top of the income distribution and decreases income dispersion at the bottom

economic growth trade and energy implications for the environmental kuznets curve abstract the environmental kuznets curve ekc hypothesis asserts that pollution follows an inverted u path with respect to economic growth the ekc has been explained in terms of structural changes in the composition of economic output and increased environmental regulation at higher income levels while some authors have incorporated the impact of trade policy orientation on the ekc the impact of the actual movement between countries of goods that embody pollution has not been considered this paper attempts to econometrically quantify the effect using pooled cross country and time series data the ekc hypothesis is examined with respect to commercial energy consumption the source of many serious environmental problems it was found that while both industrializing and industrialized countries have added to their energy requirements by exporting manufactured goods the growth has been substantially higher in the former at the same time industrialized countries have been able to reduce their energy requirements by importing manufactured goods exports of manufactured goods by industrialized countries has thus been an important factor in generating the upward sloping portion of the ekc and imports by industrialized countries have contributed to the downward slope

the dynamic impact of renewable energy consumption on co2 emissions a revisited environmental kuznets curve approach this paper considers a revisited environmental kuznets curve ekc hypothesis with potential impact of renewable energy consumption on environmental quality to this end paper aims at investigating the validity of the ekc hypothesis employing the dependent variable of co2 emissions and regressors of gdp quadratic gdp and renewable energy consumption this paper hence analyzes this revisited ekc hypothesis to observe if i there exists an inverted u shaped relationship between environmental quality in terms of co2 emissions per capita income and per capita income squared and ii there exists a negative causality from renewables to co2 emissions within ekc model paper employs a panel data set of 17 oecd countries over the period 1977 2010 and launches panel fmols and panel dols estimations the findings support the ekc hypothesis for the panel and indicate that gdp per capita and gdp per capita squared have the impacts on co2 emissions positively and negatively respectively and that renewable energy consumption yields negative impact on co2 emissions another remark of this paper is that the validity of ekc does not depend on income level of individual countries of panel in which ekc hypothesis holds eventually paper argues that if countries carry out i policies i e for fair and easy access to the electricity from renewable sources and ii policies to increase renewables supply through i e improved renewable energy technologies they will be able to contribute to combating global warming problem as they increase their gdp s

climate change mitigation and agricultural development models primary commodity exports or local consumption production abstract the increasing demand for agricultural products partly due to the high population growth requires agriculture to struggle for productivity improvement however productivity search is constrained by environmental preoccupations raising the question of agricultural development models to be adopted to increase productivity while limiting environmental consequences this paper examines the role of market orientation by assessing the effect of agricultural commodity export on greenhouse gas emissions relatively to local market oriented agricultural production model using panel data from 1986 to 2010 for 136 countries around the world and accurate instrumental variables technique the findings suggest that the proportion of primary commodity export in agricultural production increases greenhouse gas emissions these results are robust to different sources of agricultural export and environmental data and to the inclusion of additional control variables

georgescu roegen daly versus solow stiglitz revisited there are two key issues which are not fullyelaborated in the papers in a recent special issueof ecological economics the contribution ofnicholas georgescu roegen vol 22 no 3 1997 i the operational meaning of substitutionin production function and ii the effect of tech nological improvement on resource utilization inthis piece we examine these two issues based on i georgescu roegen s conceptualization of pro duction process and ii jevons paradox neoclassical production functions whether forindividual rms or the aggregate economy as sume that any factor can always be substituted forany other factor except the cases of xed coef cients and or the existence of limitational factors the implication or entailment of this assumptionis that an increase in the input of any factoralways yields an increase in output this is thebasis for solow s contention that t he world can in effect get along without natural resources solow 1974 however those neoclassical economists adopt ing the substitution assumption have not paid dueattention to the essential distinction between ows quantities of materials qualitatively trans formed in the process and funds agents trans forming a given set of in ows into a given set ofout ows in the material production process georgescu roegen 1971 neglecting this dis tinction results in a systematic indifference to thebiophysical foundation of economic activities infact according to georgescu roegen 1990 fordesigning a blueprint of a factory process anexpert has to consider a set of three relationships i the normal rate of output

sustainability and growth when manufactured capital and natural capital are not substitutable abstract a two sector neoclassical growth model of manufactured capital and natural capital is used in examining the importance of factor substitution to the issues of sustainability and economic growth analytical conclusions are established on the sustainability of the stocks of natural capital and manufactured capital as well as on the importance of factor substitution to the issues of technical progress and recycling policy and welfare implications of the analysis are also discussed

globalisation and sustainability environmental kuznets curve and the wto abstract economic globalisation is seen by many as a driving force for global economic growth yet opinion is divided about the benefits of this process as highlighted by the wto meeting in seattle in late 1999 proponents of economic globalisation view it as a positive force for environmental improvement and as a major factor increasing the likelihood of sustainable development through its likely boost to global investment these proponents mostly appeal to analysis based on the environmental kuznets curve ekc to support their views about environmental improvement but ekc analysis has significant deficiencies furthermore it is impossible to be confident that the process of economic globalisation will result in sustainable development if weak conditions only are satisfied strong conditions probably need to be satisfied to achieve sustainable development and given current global institutional arrangements these are likely to be violated by the economic globalisation process global political action seems to be needed to avert a deterioration in the global environment and to prevent unsustainability of development this exposition demonstrates the limitations of ekc analysis identifies positive and negative effects of economic globalisation on pollution levels and highlights connections between globalisation and the debate about whether strong or weak conditions are required for sustainable development the article concludes with a short discussion of the position of wto in relation to trade and the environment and the seemingly de facto endorsement of wto of weak conditions for sustainable development it suggests that wto s relative neglect of environmental concerns is no longer politically tenable and needs to be reassessed in the light of recent developments in economic analysis the skew of economic growth e g in favour of developing countries is shown to be extremely important from a global environmental perspective

development of ecological economics in australia and new zealand abstract this paper reviews the development of ecological economics in australia and new zealand since its beginnings in the late 1970s a historical account is presented that focuses particularly on the activities of the australia new zealand society for ecological economics and key ecological economics research activities achievements of ecological economics in australia and new zealand are assessed using a range of quantitative and qualitative data the main areas of expertise developed by australian and new zealand ecological economists were found to be theoretical foundations and visions for ecological economics biodiversity and resilience input output analysis heterodox valuation approaches analysis of economy environment interactions sustainability indicators sustainable agriculture fisheries and oceans and energy thermodynamics both countries are ranked at the top or near the top of the world rankings in terms of per capita isee membership and publication rates in ecological economics a defining feature of ecological economics in australia and new zealand has also been its practical and problem solving focus and the level of end user engagement the paper concludes by discussing the challenges that face the future development of ecological economics in australia and new zealand

voting on the environment price or ideology evidence from swiss referendums studies on preferences for environmental quality usually posit that price and income explain most of the observed choices however we argue that conceptions of social norms and the common good are equally important when analyzing environmental voting outcomes and are a significant component of the environmental demand we study aggregate results of three ballot proposals in switzerland put to vote in the year 2000 which foresaw different tax schemes on fossil energy all three bills were rejected by the electorate we are able to show that regions with producer interests car commuting habits and elderly population are less supportive of ecological tax reforms unlike higher education and leftist political affinity that work in favor of the bills though more importantly our results underline the importance of including variables pertaining to the notion of ideology both in terms of statistical fit and obtaining unbiased estimates for price and income determinants

an econometric analysis of health care expenditure a cross section study of the oecd countries this paper is an empirical examination of the determinants of aggregate health care expenditure the paper presents a systematic analysis of relationships across 19 oecd countries showing the effects of aggregate income institutional and socio demographic factors on health care expenditure the results indicate that institutional factors of the health systems in addition to per capita gross domestic product gdp contribute significantly to the explanation of the health care expenditure variation between countries for example the way physicians in outpatient care are paid and the mixture of public private funding and inpatient outpatient care

conservation in the optimal use of rangelands abstract in previous papers we have considered the optimal mix of biodiversity in semi arid rangelands focusing on the steady state this paper addresses the question of conservation in the optimal use of rangelands where conservation is understood to mean maintenance of the system in a natural state we consider a rangeland that may exist in one of two states in the natural state its dynamics are regulated by fire in the managed state its dynamics are regulated by grazing pressure by livestock we show that the optimal use of rangelands may include its maintenance in both states at different points in time depending on initial conditions and the set of relative prices

measuring technical progress in gross and net products abstract on the optimal path of a constant returns economy with capital and non renewable resource inputs the rate of exogenous technical progress in nnp for use in weitzman s technical progress premium equals the rate of progress in gross production divided by one minus the production elasticity of the resource flow

does education raise productivity or just reflect it education has an important effect on wages but it not clear whether this is because education raises productivity or because education is simply a signal of ability we implement a number of existing tests for discriminating between these two explanations and find that they do not support the signalling hypothesis however we have severe reservations about these results and we propose an alternative test based on changes in education incentives caused by changes in the minimum school leaving age in the 1970s using this idea we find that uk data appear to strongly support the human capital explanation an important issue in the economics of education is that an individual s education has an effect on wages paid in the labour market for example blundell et al 2003 uses detailed education and subsequent earnings information for a cohort of male individuals born in 1958 to estimate that the returns to a uk degree typically of 3 year duration relative to graduating from high school at 18 with 2 a level qualifications a necessary but not sufficient condition for admission to university is a 24 wage premium human capital explanations pioneered by becker 1962 and schultz 1963 suggest that the correlation between education and wages is due to education enhancing productivity however earnings may rise in response to education not because of any effect on productivity but simply because education may act as a signal of productivity employers believing that education is correlated with productivity will screen workers for their education and pay higher wages to the more educated the employers beliefs will be confirmed by their experience if it is the case that high productivity individuals signal this by choosing high levels of education it will be optimal for individuals to behave in this way if the cost of acquiring education is less for high productivity individuals than it is for low productivity individuals thus under reasonable conditions the market will be characterised by a separating equilibrium where higher productivity individuals choose higher levels of education than lower productivity workers and earn correspondingly higher wages the theory is largely due to spence 1973 1979 and the subsequent empirical literature was reviewed by groot and oosterbeek 1994 riley 2001 provides an excellent modern survey chevalier harmon and walker are fellows of iza in bonn and are affiliated with the institute for the study of social change issc in dublin this paper is part of the issc policy evaluation programme chevalier and walker are also affiliated with the centre for the economics of education at the london school of economics lse the support of all of these bodies for facilitating our collaboration is acknowledged harmon is grateful to university college london for their hospitality during his nuffield foundation new career development fellowship in the social sciences comments from steve machin and three anonymous referees greatly improved the exposition of this paper we are also grateful to richard blundell and to seminar participants at the lse and the tinbergen institute in amsterdam for their comments and to vincent o sullivan for excellent research assistance the usual disclaimer applies

integrated value theory for natural areas abstract value assessment is a necessary component of any rational decision making process concerning the use or management of natural areas this paper describes an integrated value theory for identifying measuring and aggregating human values for natural areas to ensure philosophical coherence the framework makes a commitment to a specific theory of end values three related levels of end value are identified which give meaning to the values expressed by humans the theory addresses the three rational modes of human value expression weakly comparable noncompensatory and exchange exchange value expressions are consistent with neoclassical economic notions of value the other types of value expression are not current techniques for aggregating values include multicriteria analysis and benefit cost analysis multicriteria analysis can encompass the three modes of value expression but does not readily discriminate between them and so fails to take advantage of the full information content of noncompensatory and exchange preferences benefit cost analysis on the other hand assumes a particular structure of values which means it should be limited to assessment of exchange preferences the framework outlined in this paper provides an advance on both of these methods in that it combines the specificity of benefit cost analysis with the breadth of multicriteria analysis

species conservation and the principal agent problem abstract principal agent problems occur in contract or management contexts they arise out of the agent s desire to imperfectly follow the principal s preferences despite being under the authority of the principal principal agent problems may be present in biodiversity recovery programmes a principal agent model is constructed where rewards and sanctions are based on the change in a species status an optimal contract is derived but it is then argued that this contract will be impossible to implement principal agent problems may impose costs to recovery programmes both in terms of lower odds of persistence and the mix of species prioritised three institutional devices ecosystem management agent selection mechanisms and attaching economic returns to the change in species status may offset some of these costs

what does it take to sell environmental policy an empirical analysis of referendum data we analyze the factors that influence the support for environmental policy proposals swiss referendum data show that proposals obtain more yes votes if they do not restrict consumption possibilities directly if they are endorsed by the largest business association if environmental preferences are strong and economic conditions are favorable at the time of the referendum also there are more pro environmental votes in cantons with higher population density on the other hand yes votes do not seem to depend on whether a proposal involves a tax or not

natural capital and sustainability abstract this paper develops and rigorously analyses a model describing the optimal use of natural capital in a utilitarian framework natural capital is treated as an aggregate including exhaustibles renewables and environmentals performing several functions it is found that it converges to a steady state in which it is kept constant by simultaneous investments and use

income inequality and pollution a reassessment of the environmental kuznets curve abstract improvements in some measures of air and water quality can accompany rising per capita income as illustrated by the so called environmental kuznets curve for pollution variables which show such a relationship we hypothesize that a more equitable distribution of power contributes to these outcomes by enhancing the influence on policy of those who bear the costs of pollution relative to the influence of those who benefit from pollution generating activities an empirical analysis of international variations in seven indicators of air and water quality supports this hypothesis literacy political rights and civil liberties are found to have particularly strong effects on environmental quality in low income countries

an empirical study of the determinants of green party voting i empirically study the determinants of individuals green voting behavior for this i make use of three datasets from germany a panel dataset and two cross sectional datasets the empirically strongest determinants are the voters attitude or distance to nuclear sites the level of schooling and net income i show that those voters with deviant attitudes or alternative world views are more likely to vote green a result of the fact that the green party has always had the position of a protest party i find little role for demographic variables like gender marital status or the number of children this is in contrast to the stated preference literature age plays a role for explaining voting behavior only insofar as it proxies for health

limits to substitution and irreversibility in production and consumption a neoclassical interpretation of ecological economics abstract there are many methodological approaches within ecological economics one of the principal modes of analysis is a modified version of the standard neoclassical model this paper examines the parallels which emerge between the ideas of some ecological economists concerning production and the ideas of others concerning consumption when these ideas are interpreted in the neoclassical paradigm it is well known that ecological economics is characterized by arguments concerning limits to substitution between inputs energy natural capital etc vs manufactured capital labor etc in production and the implications these have for sustainability however various authors have also expressed concerns regarding limits to substitution in consumption either between environmental assets and other goods or between basic needs commodities and other goods though the specific reasons for non substitution are different in the production and consumption cases the underlying theme is that individual commodities and other inputs have unique physical or other properties which make them poor substitutes ideas about irreversibility in production and economic development are also prominent in ecological economics likewise many authors have argued for similar irreversibilities in consumption behavior in analogy to the term technological change i coin the term preferential change to describe these phenomena the linking themes in this case are that the economy environment system is evolutionary in character and that external effects intended and unintended consequences of actions or processes imposed on other parties or resources are all pervasive

changes in life cycle earnings what do social security data show a matched sample of social security and current population survey records is used to examine life cycle earnings patterns of white males over the 1951 1976 period estimated direct effects of schooling and experience compare well with other studies but interaction effects with cohort do not younger cohorts exhibit smaller marginal returns to schooling and larger marginal returns to experience but differences between cohorts are very small when demographic factors namely veteran status are controlled direct cohort effects are linear in these data and show no tendency to vary with cohort size

performance in living standards abstract our ultimate objective is to enhance the standard of living of our societies but the standard of living has different meanings for different people a thorough investigation of the concept of the standard of living has been made only recently by sen who defines it in terms of functioning and capabilities functioning is an achievement whereas capability is the ability to achieve the main objective of the present paper is to compare achievements levels and improvement changes in the standard of living across countries using an axiomatic approach an achievement index is derived which accomodates the view that a further increase in the standard of living of a country when it is already at a higher level signifies an achievement greater than that of another with an equal increase but from a lower base the paper also tests for the statistical relationship between indicators of the countries standards of living so derived in their capita gdp the question posed is whether the aggregate income which provides people with the means to achieve a better life can be used as proxy measure of the standard living and extent to which the country s improvement in the standard of living can be explained by the levels and changes in the per capita income the analysis presented in the paper is based on the data from 80 developing countries

economics and the debate about preservation of species crop varieties and genetic diversity the paper reviews and outlines criteria that have been suggested for determining whether or not to save a species for extinction priorities as set out in the world conservation strategy cost benefit analysis and the safe minimum standard approach are given particular consideration the different criteria also are compared assuming that there is an absolute upper constraint on the amount of resources available for the conservation of species there is some discussion of whether the reduction in available crop varieties is adding to or reducing the instability of crop yields it is claimed that relative variability appears to be falling but there may be an increasing risk of non sustainability the importance of the burden of proof in the conservation versus non conservation debate is stressed and it is suggested that recent economic thought has swung more towards the view that the burden of proof should rest on those seeking to carry out activities which may extinguish a species

is there an environmental kuznets curve for sulfur abstract most existing estimates of the environmental kuznets curve ekc for sulfur which use samples of mainly high income countries indicate a maximum emissions turning point at middle to lower high income levels of gdp per capita we use a larger and more globally representative sample than previous sulfur ekc studies we find that sulfur emissions per capita are a monotonic function of income per capita when we use a global sample and an inverted u shape function of income when we use a sample of high income countries a model estimated in first differences results in a monotonic ekc when estimated with both high income and global samples reductions in emissions are time related rather than income related

is environmental degradation an inevitable consequence of economic growth tunneling through the environmental kuznets curve abstract economywide reforms often contribute simultaneously to economic social and environmental gains however unintended adverse side effects occur in many cases when such growth inducing reforms are undertaken while neglecting other policy market or institutional imperfections the remedy does not generally require reversal of the original economywide reforms but rather the ex ante implementation of additional complementary measures that remove such imperfections the ekc approach seeks to relate the state of the environment to the stage of development developing countries could learn from the experiences of industrialized nations and restructure growth and development to tunnel through any potential ekc thereby avoiding going through the same stages of growth that involve relatively high and even irreversible levels of environmental harm an environmentally adjusted measure of national income could significantly change the shape of the development environment relationship recommendations for decision making include actively seeking win win policies that simultaneously yield both economic and environmental gains pre empting environmental harm through ex ante remedial measures and fine tuning reform policies to avoid severe environmental damage the adoption of more sustainable policies will facilitate the attainment of higher levels of development at a lower environmental cost

voting on open space what explains the appearance and support of municipal level open space conservation referenda in the united states abstract numerous communities in the united states have been willing to use public funds to protect open space the amount of money allocated for open space protection by local and state governments exceeds the budget of the largest federal land protection program in the u s the conservation reserve program this paper analyzes what types of municipalities hold open space referenda and the level of support for these referenda factors that increased the probability of a municipality holding an open space referendum from 2000 to 2004 were large population low population density rapid growth of the surrounding area and highly educated and environmentally concerned residents increases in median household income up to 100 000 increased the likelihood of a vote but further increases in income beyond 100 000 decreased the likelihood for municipalities holding an open space referendum factors that increased support for passage of the referendum were rapid growth low unemployment rates highly educated residents and no new taxes given high levels of support for open space referenda 76 of municipal level referenda held from 2000 through 2004 passed the spatial pattern of locally managed open space will be largely determined by the factors that affect referenda appearance on a municipal ballot this conclusion suggests that locally managed conservation hotspots will cluster around fast growing affluent communities with highly educated residents such hotspots may or may not align with overall conservation priorities non governmental and environmental organizations should focus efforts on helping communities in locally managed conservation coldspots secure open space

entropy structure and organisational change abstract the paper sets out a basis for rigorous thermodynamic characterisation of structural change and of organisational interdependencies between economic and environmental processes many attempts have been made to exploit entropy as a generic explanatory variable it has widely been proposed that entropy is a measure of the level of dis order of a system of how mixed up things are then as organisation is often thought synonymous with some notion of order it has been a small step to propose that increasing organisation is the converse of increasing entropy another suggestion has been that social system structure and change can be explained in terms of a tendency towards maximum entropy production the lotka principle of maximum energy dissipation all these notions must be rejected the putative entropy order connection has its inspiration in boltzmann s probabilistic interpretation of thermodynamic entropy as a measure of microscopic disorder this order principle is simply not applicable under conditions far from thermodynamic equilibrium prigogine conditions which prevail for all important economic and ecological processes under such conditions the relationship between entropy production and changes in structure or organisation is multi faceted and situation specific attempts to account for the specificity of societal activities in terms of a generic scalar measure of organisation or dissipation are largely after the fact and in no way do away with the need for analysis of institutional and ethical dimensions of human action in their own right when properly allied to institutional analysis however the far from equilibrium thermodynamics furnishes a rich impetus for a coevolutionary perspective in ecological economics with promise of incisive treatments of in particular issues of system environment codependency and of the time in determinacies of economy environmental change

sustainable development differing perspectives of ecologists and economists and relevance to ldcs abstract the claim is now widely that it is desirable to aim for a sustainable society for sustainable economic development and for sustainable productive systems this reflects the outlook of ecologists rather than the majority of economists although a small group of economists does see particular virtue in sustainability the outlook of ecologists is illustrated by conway s criteria for assessing the desirability of agricultural systems this approach is shown to involve several unresolved conceptual issues this leads to a discussion of the policy of a safe minimum standard as proposed by some economists and the critique of expected utility and risk benefit analysis by page and maclean and whether this might provide a bridge between the views of economists and ecologists a basis is established for considering whether sustainability of productive systems is likely to be a more important goal in less developed countries than in developed countries further examples of the stress of ecologists on the production sustainability goal are given and additional policy prescriptions for instance involving nomadism and transhumance are discussed