pollution without subsidy what is the environmental performance index overlooking abstract agriculture is heavily subsidized in most organization for economic cooperation and development oecd countries and environmental externalities can occur due to pollution caused by protectionist policies this study examines the structure of agricultural protection in oecd countries from a chronological and comparative perspective in addition the policy environment interaction is scrutinized to better explain the environmental implications of agricultural policies in the era of globalization this paper critically evaluates the environmental performance index and recommends that this index includes polluting inputs in future calculations

testing for behavioral objective and aggregation opportunities in u s agricultural data to guide formulation of an aggregate model of u s agricultural production this paper reports nonparametric test results for both behavioral objective and aggregation level nonparametric tests are implemented as heuristics to determine empirical support for simplified analytical structures evidence does not refute the joint hypothesis that producers behave collectively as though they are a price taking profit maximizing firm with a convex technology subject to nonregressive technical change the empirical results also support exhaustive aggregation of input categories but much less aggregation of outputs this paper reports the first known implementation of the nonparametric homothetic separability tests

control of accumulating stock pollution by heterogeneous producers abstract this paper presents a framework to determine optimal resource allocation over time for the production of a good by heterogeneous producers who generate a stock externality we analyze the optimal intertemporal and quality specific combination of abatement strategies at the source source abatement given by a change in the intensity intensive margin of production and in the chosen technology extensive margin and or removal of existing pollution stock stock abatement the results show how the specifications of the production and the emission functions affect technology adoption and the design of the optimal intertemporal combination of source and stock abatement strategies moreover the paper shows that regulation at the intensive margin cannot be considered as a substitute for a regulation at the extensive margin the paper employs the so called two stage solution approach for solving the resulting quality distributed intertemporal optimal control problem

induced innovation in american agiculture a reconsideration this paper investigates the role of induced innovation in the development of american agriculture from 1880 to 1980 the induced innovation hypothesis most closely associated with the work of hayami and ruttan argues that successful economies develop technologies in accordance with market price signals to loosen constraints on growth imposed by factor scarcities our analysis employing new state and regional level data fails to find support for hayami and ruttan s hypothesis this paper suggests that many of the fundamental generalizations about american agricultural development need to be reconsidered and redirects attention to the role of settlement changing crop patterns and biological investments in explaining changes in factor utilization in american agriculture

the environment and welfare implications of trade and tax policy developing countries with comparative advantage in dirty industries face the risk of environmental degradation unless appropriate policies are implemented using applied general equilibrium analysis we examine how trade influences the environment and assess the welfare and environmental implications of alternative pollution abatement policies for indonesia our results indicate that unilateral trade liberalization by indonesia would increase the ratio of emission levels to real output for almost all major pollution categories more importantly when tariff removal is combined with a cost effective tax policy the twin objectives of welfare enhancement and environmental quality improvement appear to be feasible this sheds new and positive light on the role of trade in sustainable development

the effects of development constraints on forest management at the urban forest interface this article develops a model of a forest owner operating in a small open city environment where the rent for developed land is increasing concave in nearby preserved open space and is rising over time reflecting an upward trend in households income within this framework we examine how changes in nearby preserved open space and alternative development constraints affect an individual private landowner s decisions regarding both regeneration harvests and conversion dates we also examine how such policies affect development density once conversion from forestry to residential use occurs we show that when residential rents change over time the nature of the timber problem at the urban forest interface changes because it forces us to allow for the possibility of changes in land use from timber to residential use as a result the traditional faustmann setup is not suitable to study forest management decisions at this interface we also find that in the presence of rising income increases in permanently preserved open space hasten regeneration and conversion cuts of a neighboring parcel currently under forest use and leads to lower density development once conversion takes place compared to the case where income is constant we also find that both a binding development moratorium and a binding minimum lot size policy can postpone regeneration and conversion cut dates and thus help to protect open space even if only temporarily however the policies do not have the same effects on development density of converted forestland while the former leads to high density development the latter encourages low density development

induced innovation evolutionary theory and path dependence sources of technical change the i960s to the i98os were very productive of new theory and empirical insights into the sources of technical change in the i96os and i970s major attention focused on the implications of changes in demand and relative factor prices on the rate and direction of technical change in the late i 970s and early i980s attention shifted to evolutionary models inspired by a revival of interest in schumpeter s insights into the process of economic development since the early i98os these have been complemented by the development of historically grounded path dependent models of technical change each of these models has contributed substantial insight into the sources of technical change this paper was motivated by a perception that each of the three research agendas is approaching a dead end the three models induced evolutionary and path dependent represent elements of a more general theory that has not yet been invented ruttan 1996 a in a closing comment i suggest some steps toward the development of a more general theory of the sources of technical change

predatory versus productive government the case of u s agricultural policies this essay will argue that agricultural policy in the united states has led to both the enhancement of efficiency through productive policies and the transfer of wealth and income to special interests through redistributive or predatory policies these two activities can be labeled as pests and perts pest policies or political economic seeking transfers are meant to redistribute wealth from one social group to another and are not explicitly concerned with efficiency in contrast perts or political economic resource transactions are intended to correct market failures or to provide public goods these policies have neutral distributional effects at least in design a review of the history of public policy in agriculture reveals not only tension between the pert and pest roles of the public sector but also some coordination between these two types of activities as different interest groups pressure the political process the government trades off pests and perts in its attempts to acquire balance and secure political power at times this has led to combinations of programs that appear incoherent in such a world the challenge for economists is to design and advocate policies that are both economically productive and politically sustainable

is trade good or bad for the environment sorting out the causality we seek to contribute to the debate over globalization and the environment by asking what is the effect of trade on a country s environment for a given level of gdp we take specific account of the endogeneity of trade using exogenous geographic determinants of trade as instrumental variables we find that trade tends to reduce three measures of air pollution statistical significance is high for concentrations of so2 moderate for no2 and lacking for particulate matter although results for other environmental measures are not as encouraging there is little evidence that trade has a detrimental effect on the environment

sectoral implications of farm program modifications the overall and distributional effects of farm programs and selected revisions are examined using a mathematical programming sector model the model incorporates market distortions caused by price supports target prices program participation deficiency payments and marketing loans current farm programs are found to increase producer prices depress consumer prices and in turn result in excess production and higher consumption and exports domestic and foreign consumers as well as domestic producers are subsidized by farm programs social deadweight loss occurs as government payments exceed welfare benefits received by consumers and producers society as a whole benefits from reductions in program provisions

an error correction model of induced innovation in uk agriculture cointegration techniques are applied to a model of induced innovation based on the two stage constant elasticity of substitution ces production function this approach results in direct tests of the inducement hypothesis which are applied to agricultural data for the united kingdom from 1953 to 2000 the time series properties of the variables are checked cointegration is established and an error correction model ecm constructed which attempts to separate factor substitution from technological change finally the ecm formulation is subjected to causality tests which show that the factor price ratio for chemicals and land is granger prior to the factor saving bias of technological change however long run relative prices are not causally prior to the machinery labour ratio this results from perturbations in the user cost of machinery caused by oil price shocks thus the induced innovation hypothesis iih may explain long run transformations like the mechanical and fertilizer revolutions that

causal relationships between public sector agricultural research expenditures and output allocative decisions concerning public sector agricultural research appear to be driven by both supply and politically mediated demand forces in sample granger tests along with post sample predictive tests suggest that simultaneity issues should not be ignored when modeling the research expenditure output relationship the results also provide strong evidence that the impact of research expenditures on agricultural output may persist for as long as thirty years these lags are substantially longer than those commonly used for agricultural research to date the lagged effect of output on research appears to be shorter though still between ten and twelve years in this article we analyze the empirical relationship between public sector agricultural research and agricultural output our interest in this question was spurred on two fronts first emphasis of the contemporary economic literature has shifted from an analysis of the consequences of technical change to an explanation of the observed rate and direction of inventive activity a substantial proportion of this literature has focused on appropriable technologies originating in the private sector and remained largely silent on related issues in the public sector here we analyze the dynamics of public sector research in particular publicly sponsored agricultural research in the

agricultural product supplies and input demands regional comparisons governmental agencies at federal state and local levels in the united states are heavily involved in intervention in agricultural input and output markets to effect desired social goals the most pervasive intervention activities occur at the federal level they are available throughout the nation to most producers of specified commodities how

the toxic intensity of industrial production global patterns trends and trade policy this paper exploits a newly developed data set to investigate recent changes in the international distribution of industrial pollution in particular the authors examine three issues 1 the relationship between the toxic intensity of industrial production and the level of economic development 2 the impact of oecd environmental regulation on global changes in toxic intensity and 3 the relationship between trade policy and the toxic intensity of industrial production in ldc s 10 refs

the measurement and sources of technological change biases with an application to postwar japanese agriculture technological change bias in agriculture has important effects on and is affected by other changes in an economy labour saving technological change for example enables more farm labour to migrate to the non farm sector kako 1978 a land using bias on the other hand may stimulate efficiency differentiation among farm groups and lead to a rise in farm land prices lee 1980a while a machinery using bias accelerates the rate of investment in agricultural machinery all of these affect the income distribution as well as the economic growth path of the economy in spite of its importance there are relatively few empirical studies of biases in technological change the purpose of this paper is to present first an empirical method of measuring technological change biases in many factor production with an application to postwar japanese agriculture and then to investigate the factors that guided the evolution of biases in agriculture sources of biases have been one of the critical concerns of growth economics relative factor prices have been asserted to be the prime motivator of biases however land size per farm output price and innovation lags are also important factors affecting technological change biases the fundamental method used here to test these hypotheses is to measure the biases in four regions among which economic variables have been lifferent or have moved at different rates and then to examine the relationship between the measured biases and the economic variables since the japanese agriculture sector has undergone substantial technological changes in the rapid economic growth since the second world war it provides an ideal case study which is of considerable relevance to similar but less developed countries in south east asia in the first section we present a theory of measuring biases in many factor production using a production function approach in section ii the homogeneous translog production function is estimated with micro farm data on rice production in postwar japan section iii analyses the characteristic structure of technological change in postwar japanese agriculture and then investigates the sources of the biases following the method presented in the final section we draw conclusions about the sources and implications of the measured biases

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

acreage decisions under risk the case of corn and soybeans an acreage supply response model is developed under expected utility maximization the resulting framework is used to specify and estimate a system of risk responsive acreage equations for corn and soybeans in the united states particular attention is given to the truncation effects of government price supports on the distribution of corn and soybean prices also a wealth variable is included in the acreage equations the empirical results indicate that risk and wealth variables play an important role in cornsoybean acreage decisions the analysis also shows that cross commodity risk reduction is important in acreage allocation decisions

confronting the environmental kuznets curve t he environmental kuznets curve posits an inverted u relationship between pollution and economic development kuznets s name was apparently attached to the curve by grossman and krueger 1993 who noted its resemblance to kuznets s inverted u relationship between income inequality and development in the first stage of industrialization pollution in the environmental kuznets curve world grows rapidly because people are more interested in jobs and income than clean air and water communities are too poor to pay for abatement and environmental regulation is correspondingly weak the balance shifts as income rises leading industrial sectors become cleaner people value the environment more highly and regulatory institutions become more effective along the curve pollution levels off in the middle income range and then falls toward pre industrial levels in wealthy societies the environmental kuznets curve model has elicited conflicting reactions from researchers and policymakers applied econometricians have generally accepted the basic tenets of the model and focused on measuring its parameters their regressions typically fitted to cross sectional observations across countries or regions suggest that air and water pollution increase with development until per capita income reaches a range of 5000 to 8000 when income rises beyond that level pollution starts to decline as shown in the conventional ekc line in figure 1 in developing countries some policymakers have interpreted such results as conveying a message about priorities grow first then clean up numerous critics have challenged the conventional environmental kuznets curve both as a representation of what actually happens in the development process and as a policy prescription some pessimistic critics argue that crosssectional evidence for the environmental kuznets curve is nothing more than a

growth and distribution a test of the induced innovation hypothesis for the korean economy this study investigates technical change biases and their effects on distribute shars in korea we are particularly concerned with whether technical change biases have been induced by changes in relative factor prices accompanied by rapid economic growth in korea our test results show that technical change in korea has been biased in the direction in the direction for saving labour and using capital thus rendering support to the induced innovation hypothesis these findings are roughly in parallel with empirical studies on the induced innovation hypothesis for the us and japanese economies the similar pattern in technical change biases between korea and the two advanced economies is noteworthy in light of their basic differences in factor endowments another salient feature of our empirical analysis is that the price corrected labour share in korea has continually shrunk in the process of rapid economic growth which has been partly precipitated by factor price disorting policies

forest resource trade between japan and southeast asia the structure of dual decay abstract forest resource trade between southeast asia and japan has been noteworthy because of its documented effects on the deforestation of southeast asia s environment this paper expands the focus of this issue to include an examination of the effects of this trade on japanese domestic forests our goal is to redefine the scope of discussions of trade environment issues we assert that the environmental problems of the importer and the exporter can be understood as a set of structurally connected phenomena which we refer to as dual decay we examine the underlying dynamics of renewable resource trade and the effects of trade liberalization on both importers and exporters environments

efficiency of lowest unmatched price auctions in lowest unmatched price auctions lupa all participants pay a bidding fee and the lowest bid placed by only one participant wins many lupas do not specify what happens with the item on offer if there is no unmatched bid the item may remain with the auctioneer which may appear unfair given that the auctioneer collects the bidding fees we show that in a symmetric nash equilibrium of a lupa with known prize both players and the auctioneer will have an expected profit of zero moreover lupas may be seen as a value revealing mechanism

free trade and the environment development system abstract we develop a simulation model to analyze the trade environment development system that contains a number of important advances over the earlier and current theoretical models our model like other models has an income induced pollution policy allows country factor endowments to influence trade patterns and allows production factors to be mobile intersectorally unlike other theoretical models our model treats pollution stemming from both production and consumption in a way that does justice to empirical observations we model pollution policy explicitly as an abatement investment thus effectively allowing for differences in pollution intensive technology across countries in addition we allow for an internationally traded intermediate good a natural resource as a result of this novel approach we find that 1 the benefits of trade i can be either positive or negative and ii depend on country endowments and 2 the pollution effects of trade are closely tied to the benefits of trade our model generally shows higher pollution levels under free trade than autarky however our results do not support the pollution haven hypothesis i e trade causes less pollution in developed countries and more pollution in developing ones some developing countries produce more of the pollution intensive good but ultimately consume less pollution under autarky because they have higher per capita income and thus invest more heavily in environmental upgrading under autarky

gambling by auctions abstract we provide theoretical and empirical analysis of a selling mechanism used by an internet web site that combines important features of auctions and gambling this is the first analysis of such a selling mechanism which provides insights into how the two kinds of behavior might be related in real life the winner of the object is the bidder with the highest bid not submitted by any other bidder in the equilibrium of our game theoretical model each bid made with positive probability yields the same probability of winning bidders are more likely to submit higher bids and the bid distribution does not depend on the value of the object or the highest bid allowed if one controls for the number of bidders most of these key theoretical predictions are confirmed by the data

geographic aggregation and induced innovation in american agriculture the induced innovation hypothesis is tested for the usa and western regions using cointegration procedures an error correction model separates short run and long run effects of relative price changes a significant difference in the elasticities of factor substitution along the isoquant and the innovation possibility curve implies induced innovation the estimated results support the hypothesis for washington the pacific northwest and the western region but not for the nation corroborative tests of weak exogeneity fail to support the hypothesis in any of the geographic units changes in output level and research investment do not significantly bias agricultural technology in the usa

induced technical change adjustment costs and environmental policy modelling in this paper i develop a neo schumpeterianmodel of induced technical change where firms polluters determine their effort in environment saving technical change two technological scenarios are distinguished depending on whether basic research is endogenous or exogenous building on this analytical setting i show that in the presence of non linear adjustment costs the choice of instruments of environmental policy should be tailored to the actual characteristics of the firms polluters technological environment moreover this analysis confirms that searching for efficient environmental policy mixes is more rewarding than focusing on single instruments notably pollution taxation

prohibition of factor market exchanges and technological choice in chinese agriculture this article constructs a model of technological choice in an economy where market exchanges in land and labour are prohibited empirical data on demand for tractors tractor usage and chemical fertilisers in china are employed to test several hypotheses derived from the theoretical model the theory implies that the impact of relative factor scarcity on the pattern of technological choice in such an economy is similar to that in a market economy as postulated by the hicks ruttan hayami binswanger hypothesis of induced technological change the empirical evidence is found to be consistent with the implications of the model

the production structure and demand for labor in postwar japanese agriculture 1952 82 this paper analyzes the factor relations of postwar japanese agriculture to identify the factors which explain a significant decline in labor in the agricultural sector a nonhomothetic and hicks non neutral translog cost function is estimated the results of the decomposition analysis based on the estimates show that biased technical changes and nonhomotheticity together with price induced factor substitutions play an important role in easing the transfer of agricultural labor to the nonagricultural sectors the results also suggest that the biased technical change is consistent with the hicksian induced innovation hypothesis

options uncertainty and sunk costs an empirical analysis of land use change abstract in a real option model of land conversion incorporating return uncertainty and sunk costs optimal conversion thresholds are significantly higher than those from expected net present value models not accounting for these factors empirical tests of conversion from agriculture to forest suggest that landowners value the option to convert when making conversion decisions higher uncertainty in returns to all potential uses and lower correlation between shocks to agricultural and forest returns decreases the likelihood of conversion estimates indicate a significant impact on conversion decisions with approximations of option values ranging from 7 to 81 of the expected value of the land asset

agricultural productivity revisited this paper describes production accounts for agriculture output is defined as gross production leaving the farm as opposed to real value added inputs are not limited to capital and labor but include intermediate inputs as well we derive index numbers of gross output capital labor and intermediate inputs these data are used to construct indexes of total factor productivity we then compare the contributions of input growth and productivity growth to economic growth the important role of productivity growth in agriculture becomes immediately apparent

economic incentives for environmental protection integrating theory and practice for decades economists have been extolling the virtues of market based or economic incentive approaches to environmental protection some 70 years ago arthur cecil pigou 1920 suggested corrective taxes to discourage activities that generate externalities a half century later j dales 1968 showed how the introduction of transferable property rights could work to promote environmental protection at lower aggregate cost than conventional standards from these two seminal ideas corrective taxes and transferable property rights a substantial body of research has developed both environmental taxes and marketable permits are coming of age in the policy arena examples include the introduction of marketable permits in the united states to control acid rain the use of changes in europe to limit air and water pollution and the employment of deposit refund schemes for products ranging from beverage containers to batteries the introduction of these tools on a large scale provides a unique opportunity to extend the frontiers of knowledge this essay strives to identify prominent issues that merit investigation 8 refs

the effect of agricultural policies on land use and environmental quality in this paper i consider the environmental quality gains that may be achieved by reducing agricultural income supports a new methodology is developed to estimate land use shares in an application to wisconsin milk price support reductions result in shifts of marginal agricultural land to forest reducing soil erosion and providing off site water quality improvements the environmental benefits are estimated to be at least as large as the decreased welfare burden on consumers and taxpayers indicating a central role for environmental quality considerations in motivating policy reforms and a more efficient means of achieving the environmental quality goals of land retirement programs

consumption based accounting and the trade carbon emissions nexus abstract this paper considers a recently developed consumption based carbon emissions database from which emissions calculations are made based on the domestic use of fossil fuels plus the embodied emissions from imports minus exports to test directly for the importance of trade in national emissions comparing such consumption based emissions data to conventionally measured territory based emissions data produces several useful conclusions for example most countries are net importers of carbon emissions their consumption based emissions are higher than their territory based emissions also while low and high income countries tend to have the largest ratios of consumption based emissions to territory based emissions the majority of middle income countries have ratios greater than one as well furthermore china alone is responsible for over half the global outflows of carbon via trade the econometric estimations which were robust across income levels determined that i trade was significant for consumption based emissions but not for territory based emissions ii exports and imports offset each other so that exports lower consumption based emissions whereas imports increase them and iii the fossil fuel content of a country s energy mix is more important likely significantly so for territory based emissions than for consumption based emissions and iv domestic fossil fuel prices oil gasoline had a negative impact on territory based emissions but were insignificant for consumption based emissions hence there is a wedge between i the emissions a country is responsible for consumption based emissions and ii the emissions that a country s domestic policies affect territory based emissions so countries should have both an interest and a responsibility to help lower the carbon intensity of energy in countries that are particularly important for global carbon transfers china and india

econometric estimation of producers risk attitudes general methods are proposed for the identification and econometric estimation of the parameters of the distribution of risk attitudes in a producer population the proposed methods also provide the basis for the development of statistical tests of model specification and of behavioral hypotheses econometric risk attitude estimation is shown to be possible under less restrictive conditions than previously believed a moment based version of the general model is applied to indian data and the econometrically estimated risk attitudes are presented and compared to experimental results for a similar group of producers

basic attributes of trade and environment what do the numbers tell us abstract this paper analyzes 79 categorical case studies in trade and the environment to determine basic attributes of the field it intends to describe these attributes organized into four intellectual clusters in order to set some basic standards for measuring trends and making initial quantitative generalizations about policy in the trade and environment field this general review and categorization is a necessary step in the development of any field of study and absolutely critical to building a basis for cumulative research and advancement of knowledge the findings suggest that the data mirror general beliefs about trade and environment with respect to the types of problems actors involved remedies industries and other key attributes notably the findings highlight the difference between process and product in environmental cases and the relation between rich and poor countries in trade and environment issues

double dividend with trade distortions analytical results and evidence from chile abstract the double dividend debate evolves around the possibility or not of substituting environmental taxes for more distortionary taxes to reduce both pollution degradation and or damages the first dividend and the excess burden of existing taxes the second dividend without eroding tax revenues this paper contributes to the double dividend debate with a formal analysis and some numerical evidence emphasizing trade and environmental distortions the substitution of environmental taxes for trade distortions has been neglected in the double dividend debate which has centered on labor market distortions conditions for the existence of a double dividend are derived for different characterizations of preferences and policy menus we empirically explore the trade environment double dividend with an applied general equilibrium model of the chilean economy the model includes many distortions and a vector of six air pollution effluents their health incidences and associated damages which are assumed nonseparable from market goods findings suggest solid evidence of a trade environment double dividend in the case of chile swapping environmental taxes for trade distortions improves welfare the swap would even pay for itself under the assumption of separable pollution damages from market good consumption

a nonparametric analysis of the influence of research on agricultural productivity nonparametric productivity analysis is extended by modeling technical progress as a function of public and private research expenditures results indicate that 30 year lags are required to fully capture the effects of public research expenditures on u s agricultural productivity compared to public research private research has a stronger influence on farm productivity in the short term but a smaller influence in the longer term the internal rate of return is 0 28 for public research and 0 17 for private research

trade the pollution haven hypothesis and the environmental kuznets curve examining the linkages abstract this paper examines the extent to which the ekc inverted u relationship can be explained by trade and specifically the migration or displacement of dirty industries from the developed regions to the developing regions the pollution haven hypothesis phh using detailed data on north south trade flows for pollution intensive products the evidence for the phh is assessed emissions of 10 air and water pollutants are then estimated controlling for trade openness structural change and dirty north south trade flows evidence of pollution haven effects is found although such effects do not appear to be widespread and appear to be relatively small compared to the roles played other explanatory variables

technical change and factor bias in polish industry 1962 1983 this paper provides improved estimates of technological change and the first estimates of factor bias in polish industry the analysis uses newly generated data on western capital the factor assumed responsible for technical change adjusts capital for capacity utilization and tests for more complex specifications of the production function the major findings are 1 the trend in technical change was nonincreasing over the period and technological change was western capital using in only two industries suggesting the government misallocated resources and 2 technical change was nonneutral in six of the eight industries suggesting the existing literature suffers from misspecification copyright 1993 by mit press

testing expected utility maximization under price and quantity risk with a heterogeneous panel refutable implications based on the curvature properties of the indirect utility function for the competitive firm operating under uncertainty are extended to the case of both price and quantity uncertainty using unit roots and cointegration tests for heterogeneous panels a model of us agricultural production is developed based on the time series properties of a panel of state level data most refutable hypotheses under output price and output quantity risk are not rejected but symmetry conditions implied by a twice continuously differentiable indirect utility function are rejected the same test conclusions are obtained from a traditional model that presumes stationarity in all variables

joint trade liberalization and tax reform in a small open economy the case of egypt abstract we develop a cge model of the egyptian economy to analyze the impact of various trade liberalization scenarios allowing distortionary domestic taxes to vary endogenously in order to satisfy a fixed real government revenue target we decompose computed welfare gains into effects from tax reform trade reform and their interaction scenarios include removal or unification of the consumption tax capital tax or both and tariff unification a free trade agreement with the european union and unilateral tariff elimination welfare effects depend critically on the type of revenue replacement tax while both are important neither trade policy reform nor tax reform dominates

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

trade and the environment from a southern perspective the relationship between free trade and the environment is one of the main issues of contention between environmental and ecological economics environmental economics assumes a positive relationship between free trade economic growth and environmental policies environmental externalities may cause important damage however trade is not to be blamed for this instead the fault lies with policy inadequacies at the national level on the other hand some ecological economists criticise the assumptions of environmental economics especially the immobility of production factors and the positive correlation between income and environmental quality they plead for measures to prevent deterioration of northern environmental standards in a race to the bottom due to ecological dumping from the south in this paper we argue that neither environmental economics nor northern ecological economics take into account the structural conditions determining the international trade system based on some new empirical evidence on material flows we stress the notion of environmental cost shifting if physical and political ecology perspectives are adopted a southern approach to the trade and environment issue may arise 2001 elsevier science b v all rights reserved

lowest unmatched price auctions lowest unmatched price auctions lupas specify that the lowest bid placed by only one participant wins they are used in internet trading and tv and radio shows we model lupas as games with minimal restrictions in particular allowing players to place more than one bid since multiple bids have been observed in most actual lupas though lupas are games for which a closed form solution does not seem to exist in general our model generates several testable implications about the type of strategies played in equilibrium and the highest bid in a given lupa our analysis suggests that players follow strategic considerations and arrive at decisions which at least in the aggregate are generally consistent with theoretical predictions yet there are some remarkable deviations

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

understanding farmland price changes this paper develops a structural model of land prices which includes the multidimensional effects of inflation on capital erosion savings return erosion and real debt reduction as well as the effect of changes in the opportunity cost of capital the results show that inflation and changes in the real returns on capital are major explanatory factors in farmland price swings in addition to returns to farming additionally the effects of credit market constraints and expectations schemes are considered explicitly in the analytical model

international trade in carbon emission rights and basic materials general equilibrium calculations for 2020 restrictions on co emissions affect international trade and the pattern of comparative advantage this paper based on calculations with a static general equilibrium model suggests that international trade in carbon rights is a substitute for trade in energy intensive goods and thus international trading in carbon rights reduces sectoral effects of emission reductions in our model we surprisingly find that free riding by non signatory countries may not render unilateral action ineffective if the oecd unilaterally cuts global emissions by 5 per cent from 1990 levels by the year 2020 emissions by non oecd regions increase but offset less than 15 per cent of this cutback moreover carbon taxes depress international oil prices and create incentives for increased tradc in natural gas

the interface between growth trade pollution and natural resource use in chile evidence from an economywide model abstract we investigate the implications of trade liberalization and pollution taxes on aggregate income pollution and natural resource use in chile with a neoclassical economywide model comprising 75 sectors the model incorporates 13 measures of pollution effluents which are linked to the use of polluting inputs and energy use we estimate the economic and environmental impact of chile s participation in nafta mercosur of unilateral trade liberalization and effluent taxes unilateral trade liberalization induces substantial worsening of pollution emissions and expansion of resource based sectors partly because of access to cheaper energy nafta integration is environmentally benign in terms of pollution emissions

carbon emissions control and trade liberalization coordinated approaches to taiwan s trade and tax policy abstract in recent years several studies have emerged on the possible reconciliation between trade and environmental policies however little attention has been devoted to inquiring about the economic implications of the linkages of these policies in the newly industrialized countries the so called nics in this paper we investigate the joint effects of trade and environmental policies on the taiwan economy the estimates are derived from a five household 18 sector computable general equilibrium model calibrated to a 1995 social accounting matrix our empirical results based on taiwan s data show that tariff elimination can significantly reduce the costs of carbon emissions control and possibly offset welfare reductions due to implementation of a carbon tax our findings reveal that the coordination of trade liberalization with the introduction of targeted environmental policies enhances factor relocation towards competitive industries they are broadly consistent with those cases of developing countries reported in previous studies

does poverty constrain deforestation econometric evidence from peru this paper examines the relationship between income and land clearing for households living in tropical forest regions a simple model of the agricultural household that clears land for agriculture is developed to investigate the relationship between lagged income and cleared land holdings analysis of panel data from peru suggests that lagged income is positively correlated with clearing though at a decreasing rate and because of labor market constraints clearing is positively correlated with household labor availability this work suggests that small increases in the incomes of the poorest are unlikely to reduce deforestation in this context

cross border pollution terms of trade and welfare we construct a two good general equilibrium model of international trade for two small open economies where pollution from production is transmitted across borders governments in both countries impose emission taxes non cooperatively within this framework we examine the effect of changes in the degree of cross border pollution on nash emission taxes emission levels and welfare we do so under two scenarios when changes in cross border pollution do not affect domestic pollution non strategic and when they do strategic we also examine the effect of changes in international terms of trade on pollution and welfare when cross border pollution is non strategic

testing the induced innovation hypothesis an error correction model of south african agriculture abstract this paper applies cointegration techniques to a model of induced innovation based on the two stage constant elasticity of substitution ces production function this approach results in direct tests of the inducement hypothesis which are applied to data for south african commercial agriculture for the period 1947 1991 south african data is used because the policy changes have been substantial enough that the factor and price ratios have turning points rather than being monotonic the time series properties of the variables are checked cointegration is established and an error correction model ecm constructed allowing factor substitution to be separated from technological change finally the ecm formulation is subjected to causality tests which show that both the factor price ratios and r d and extension expenditures are granger prior to the factor saving biases of technological change thus each stage of the analysis corroborates the inducement hypothesis however straightforward price inducement is only part of the explanation of changes in factor ratios policy induced innovation in response to tax concessions and subsidised credit is also present

induced bias of technical change in agriculture the united states and japan 1880 1980 because of extreme differences in factor endowments and price ratios among factors between the united states and japan both countries have experienced sharply different patterns of factor use and productivity growth in agriculture for the past 100 years of modern economic growth in this study the method of testing the hicksian hypothesis of induced innovation was developed using the two level ces production function the model was applied to the historical data of u s and japanese agricultural development for 1880 1980 the results were consistent with the hypothesis that different patterns of technical change in the two countries were induced by differences in the levels and the movements in relative factor prices

patterns of state productivity growth in the u s farm sector linking state and aggregate models this article focuses on agricultural productivity growth at both sector and state levels it does so in a way that preserves the economic integrity of national and state production accounts a model accounting for interstate transactions in farm goods links sectorwide and state specific measures of total factor productivity growth an interesting conclusion is that the smooth persistently positive trend typically observed for farm sector productivity growth masks considerable variation across states and regions the results also indicate that farm sector productivity growth is wholly a function of productivity trends in the individual states interstate shifts in production activity and resource reallocations have had little impact

profit maximization returns to scale and measurement error a nonparametric analysis of agricultural production behavior was conducted for each of the contiguous forty eight states for the period 1956 82 under the joint hypothesis of profit maximization convex technology and nonregressive technical change tests were conducted in each state for profit maximization and for constant returns to scale although considerable variability was observed among states measurement errors of magnitudes common in secondary data yielded test results fully consistent with the profit maximization hypothesis in all states with complete output and input data copyright 1992 by mit press

induced innovation in u s agriculture time series direct econometric and nonparametric tests the hypothesis of induced innovation is tested for u s agriculture using a high quality state level panel data set and three disparate testing techniques time series direct econometric and nonparametric we find little support for the hypothesis that conclusion is robust across testing techniques however as with all empirical tests of this hypothesis conducted to date ours focus only on the demand side of the hypothesis the hypothesis could have been rejected simply because the marginal cost of developing and implementing input saving technologies for the relatively expensive inputs is greater than for the relatively cheap inputs copyright 2009 oxford university press

impacts of tariff escalation on the environment literature review and synthesis abstract writers on trade and environment often claim that tariff escalation harms the environment it skews exports toward raw materials and away from processed goods so to the extent that primary production degrades the environment more than processing it will harm exporting countries this paper reviews the literature on tariff escalation and the environment focusing on 1 a impact of escalating tariffs on the allocation of production and processing between exporters and importers 2 b comparison of the environmental impacts of primary production and processing 3 c impact of increased income from removing tariff escalation on environmental protection expenditures 4 d environmental impact of decreased transport of freight it concludes that tariff escalation is not likely to be a significant source either of economic distortion or of environmental harm

revisiting the environmental kuznets curve in a global economy the present study deals with an empirical investigation between co2 emissions energy intensity economic growth and globalization using annual data over the period of 1970 2010 for turkish economy we applied unit root test and cointegration approach in the presence of structural breaks the direction of causality between the variables is investigated by applying the vecm granger causality approach our results confirmed the existence of cointegration between the series the empirical evidence reported that energy intensity and economic growth globalization increase condense co2 emissions the results also validated the presence of environmental kuznets curve ekc the causality analysis shows bidirectional causality between economic growth and co2 emissions this implies that economic growth can be boosted at the cost of environment

unintended impacts of public investments on private decisions the depletion of forested wetlands by affecting relative economic returns infrastructure investments can induce major changes in private land use the authors find that 30 percent of forested wetland depletion in the mississippi valley has resulted from private decisions induced by federal flood control projects despite explicit federal policy to preserve wetlands the model aggregates individual land use decisions using a parametric distribution of unobserved land quality dynamic simulations are used to quantify the impacts on wetlands of federal projects and other factors copyright 1990 by american economic association