equivalence scales horizontal equity and optimal taxation under utilitarianism abstract this paper analyzes the question of how differences in family size should be treated by the income tax system in order to achieve horizontal equity family size is incorporated into the demand system by the procedure of demographic scaling horizontal equity is defined as equal treatment of equals it is shown that when lump sum taxes are not available and the government has to rely on income taxation then the only way to entail equal utilities for household of different size is to equate the labor supplies and the per standard adult consumptions of these households

re examination of uniform commodity taxes under a non linear income tax system and its implication for production efficiency abstract this paper shows that the result of uniform commodity tax under nonlinear income taxation by atkinson and stiglitz 1976 no longer holds if the production side of an economy is taken into the consideration in particular imposing a non uniform commodity tax can pareto improve welfare even under nonlinear income taxation in addition the paper shows that if the government uses a nonlinear income tax system for income redistribution then the introduction of distortions in the public sector can pareto improve welfare contrary to the results in diamond and mirrlees 1971

temptation and social security in a dynastic framework abstract we investigate welfare and aggregate implications of a pay as you go payg social security system in a dynastic framework in which individuals have self control problems the presence of self control problems induces individuals to save less because of their urge for temptation towards current consumption individuals efforts to balance between the short term urge for temptation and the long term commitment for consumption smoothing result in self control costs in this environment payg social security works as a self control cost reducing device in contrast the presence of altruism induces individuals to save more this in turn mitigates the adverse effects of self control problems and payg social security on savings but magnifies the self control costs we find that in our environment the adverse welfare effects of a payg system are further mitigated relative to the environments that incorporate altruism and self control issues separately however the level of mitigation is quite modest

testing genuine savings as a forward looking indicator of future well being over the very long run genuine savings gs have been much used in recent years as an indicator of a country s sustainability according to some theorists e g arrow et al 2012 under certain conditions a country with a positive level of gs should experience non declining future utility given the assumption of unlimited substitutability among all forms of capital sometimes called weak sustainability this paper reports the first very long run tests of gs also called comprehensive investment or adjusted net savings as a forward looking indicator of future well being we assemble data for british capital back to 1765 and construct several net investment measures which are used as indicators of two alternative measures of future well being consumption per capita and real wages an allowance for a value of time due to exogenous technological progress is included in some gs measures and we demonstrate the importance of this measure and the choice of discount rate over the very long run on the whole our results do not reject the postulated relationship between gs and future well being and show gs can be a forward looking indicator of future well being for periods of up to 100 years

energy distribution and economic growth an empirical test for china abstract in this paper we consider whether economic growth in china could be constrained by the physical development of the energy distribution network specifically we structurally test the network theory of electricity distribution of dalgaard and strulik 2011 using city level data for china in their paper they argue that the relationship between the size of the economy measured by capital per capita and electricity consumption per capita is governed by a simple power law with capital having an exponent bounded between and depending on the efficiency of the network we use data for 224 cities in china between 2002 and 2007 to observe whether structural estimates match those of dalgaard and strulik 2011 for 50 us states where they find the exponent in the power law connecting capital with electricity to be 2 3 our results provide an estimate of the power law component to a little higher than the 2 3 found for the us which provides broad support for the model when we look at different time periods we observe what appears to be a fall in the efficiency of the energy distribution network towards the end of our period

bridging the gaps credits adoption and inequality we examine here the role of credits on technology adoption and inequality from the perspective of developing countries utilizing a model of exogenous growth with heterogeneous labor and technical progress embodied in physical capital we find that credits can contribute to a faster adoption and to reducing income inequality thus a virtuous cycle of credits a shorter technological gap less inequality and economic growth is feasible to be created when there is full liquidity in the market when credits are constrained the cycle loses virtuosity where the economy can lose up to two points in growth due to credit constraints

the incidence of personal income taxation evidence from the tax reform act of 1986 abstract this paper studies the short run incidence of personal income taxation in the us by examining how the wage structure shifted after the tax reform act of 1986 i calculate the marginal tax rate for the median worker of each occupation during the 1980s to determine the professions whose workers were most affected by the tax change when controlling for trends over time in the wage structure by occupation i find that individuals in occupations that experienced large decreases in their median marginal tax rates received lower pre tax wages after 1986 as the number of workers and the hours worked in those professions increased the results suggest that consideration of the wage effects of tax reforms is important when using these reforms to identify behavioral parameters and evaluating their distributional consequences

long run trends in energy related external costs this paper considers how energy related external costs change through time it focuses on one of the key periods in the history of energy after a period of declining coal prices and soaring consumption which fuelled the second industrial revolution the nineteenth century british economy was externalising the social costs of energy production and consumption on a massive scale rising from 25 in the 1820s an estimated 60 70 of the average social costs of coal were externalised in the 1880s imposing damages close to 20 of gdp the eventual decline in air pollution concentration around 1900 occurred fifty years later than was broadly socially optimal this experience highlights the evolution of the demand for and supply of environmental quality in the context of economic growth and the nature of related market and government failures implying the necessity for adaptation rather than encouraging mitigation this experience may offer lessons for climate analysis and policy making

the transatlantic productivity gap is r d the main culprit the literature has pointed to different causes to explain the productivity gap between europe and united states in the last decades this paper tests the hypothesis that the lower european productivity performance in comparison with the us can be explained not only by a lower level of corporate rd however using different estimation techniques the r d coefficients for the us firms always turn out to be significantly higher to see to what extent these transatlantic differences may be related to the different sectoral structures in the us and the eu we differentiated the analysis by sectors the result is that both in manufacturing services and high tech sectors us firms are more efficient in translating their r d investments into productivity increases

active learning and optimal climate policy this paper develops a climate economy model with uncertainty irreversibility and active learning whereas previous papers assume learning from one observation per period or experiment with control variables to gain additional information this paper considers active learning from investment in monitoring specifically in improved observations of the global mean temperature we find that the decision maker invests a significant amount of money in climate research far more than the current level in order to increase the rate of learning about climate change this helps the decision maker make improved decisions the level of uncertainty decreases more rapidly in the active learning model than in the passive learning model with only temperature observations as the uncertainty about climate change is smaller active learning reduces the optimal carbon tax the greater the risk the larger is the effect of learning the method proposed here is applicable to any dynamic control problem where the quality of monitoring is a choice variable for instance the precision at which we observe gdp unemployment or the quality of education

taxes redistribution and the minimum wage a theoretical analysis this paper considers a simple general equilibrium model that contains two types of workers with differing levels of ability and a social welfare maximizing government the paper shows that social welfare can sometimes be increased by supplementing an optimal linear income tax with a minimum wage but that social welfare can never be increased by supplementing an optimal nonlinear income tax with a minimum wage

population size individual choice and social optima optimal population size when fertility is endogenous is considered in relation to two social welfare criteria a benthamite and a millian and in relation to purely individualistic maximization of utility in the current generation the authors show that a tax subsidy scheme involving child allowances and subsidies to future generation consumption can be found to support a social optimum through individual choice a general proof that the optimal population size according to the benthamite criterion is always larger than that given by the millian criterion is presented but it is shown that no general conclusions about the size of the population under laissez faire are possible excerpt

the macroeconomic impact of oil earnings uncertainty new evidence from analyst forecasts we develop measures of oil earnings uncertainty oeu using analyst forecasts drawn from a large firm level dataset oeu is related to future economic downturns so some oeu measures may serve to forecast future downturns an increase in oeu also has adverse effects on the us oil sector the results are robust to conditioning on aggregate uncertainty at the same time oeu is related to increases in stock prices unlike aggregate uncertainty which has the opposite effect oeu is thus an independent influence on both the oil industry and on economic aggregates

economics of pooling small local electricity prosumers lcoe self consumption abstract the arrival of small scale decentralized energy installations coincides with the emergence of so called prosumers entities households that are producer and consumer of energy in one this research focuses on an electricity prosumer model in the context of the uk market levelized cost of electricity lcoe for photovoltaic pv and wind energy will be modeled for six uk sites additionally self consumption levels for two different load profiles and technologies will be estimated per site the simulations are modeled with homer software and multiple inputs will be varied including natural resource equipment cost maintenance cost equipment life expectancy cost of capital project life and load profiles the modeled self consumption levels show significant differences and varied between 31 and 72 depending on load profile itself and re technologies mixes modeled the pooling of prosumers implied by lower load profile volatility proved to be beneficial to self consumption levels in the modeled scenarios up to 17 6 lcoe showed significant ranges depending on the input parameters and their combination 10 55 p kw h for pv and 2 19 p kw h for wind the combination of these factors is decisive for the final lcoe and the negative effects of less benign factors can be compensated by other parameters when compared to current electricity retail prices of around 15 p kw h around 97 of wind sites and around 4 of pv scenarios implied lcoe reached grid parity the self consumption levels and lcoe analysis indicate the viability of electricity prosumer models

the taylor principle fights back part ii abstract the existing literature holds that the taylor principle often leads to indeterminacy in new keynesian models that allow for capital accumulation and limited asset market participation this conclusion is special however to the case of continuous full employment when the assumption of perfect wage flexibility is relaxed very slightly so that the labor market clears quickly but not instantaneously determinacy is the norm the threat of indeterminacy is limited to a tiny irrelevant corner of the parameter space where the elasticity of labor supply is unusually high and real wage adjustment is unbelievably fast everywhere else the taylor principle guarantees a unique rational expectations equilibrium the dramatic difference in results reflects the sensitivity of the monetary transmission mechanism to the speed of adjustment in the labor market

on the optimal income taxation and educational decisions abstract in this paper we consider three different ways of incorporating individuals educational choices into the design of optimal income tax policy in one variant of the model case 2 where an individual chooses his education before knowing his ability and after that education makes his labour supply decisions on the basis of known ability it is shown that qualitative features of the optimal income tax schedule are not similar to those of the standard optimal income tax model the marginal tax rate is generally not zero at the endpoints of distribution but is most likely negative using numerical methods some interesting features quite different from earlier numerical results are revealed especially in the second case for example the marginal tax rate is non decreasing in income for a substantial income range in addition our calculations support neither the traditional views on the egalitarian nature of equal education nor its disadvantageous consequences in the perfect utilitarian society

modelling the take up of state support abstract we discuss the modelling of the take up of state support by going beyond the standard analysis and recognising that both the researcher and the welfare agency make errors is assessing entitlement we apply the discussion to an examination of the take up of supplementary benefits in britain by explicitly modelling the costs to taking up state support we can illustrate how these costs can dampen the welfare impact of state support and mitigate or aggravate welfare agency errors in assessing entitlement

income distribution dynamics with endogenous fertility developing countries with highly unequal income distributions such as brazil or south africa face an uphill battle in reducing inequality educated workers in these countries have a much lower birthrate than uneducated workers assuming children of educated workers are more likely to become educated this fertility differential increases the proportion of unskilled workers reducing their wages and thus their opportunity cost of having children creating a vicious cycle a model incorporating this effect generates multiple steady state levels of inequality suggesting that in some circumstances temporarily increasing access to educational opportunities could permanently reduce inequality empirical evidence suggests that the fertility differential between the educated and uneducated is greater in less equal countries consistent with the model

why and how to subsidise energy r d lessons from the collapse and recovery of electricity innovation in the uk the uk electricity sector liberalisation was a pioneer in the worldwide reform trend and its reform model and outcomes have been the subject of many studies however lesser known are the effects of privatisation market based reforms and incentive regulation of networks on research and development as well as patenting activities in the sector this paper updates our previous studies of this subject and discusses the recent developments in the innovative activities in the uk electricity sector we find that in recent years the initial absence of support policies and the subsequent decline in innovation efforts in the aftermath of the reform has resulted in efforts towards forming an energy technology and innovation policy although we already observe some positive outcomes from these efforts we discuss whether the balance of the innovation efforts are calibrated appropriately and whether the institutional framework can be further improved to promote long term progress

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

are nonconvexities important for understanding growth everyday experience and a simple logical argument show that nonconvexities are essential for understanding growth compared to previous statements of this well known argument the presentation here places more emphasis on the distinction between two of the fundamental attributes of any economic good rivalry and excludability it also emphasizes the difference between public goods and the technological advances that are fundamental to economic growth like public goods technological advances are rionrival goods hence they are inextricably linked to nonconvexities but in contrast to public goods which are nonexcludable technological advances generate benefits that are at least partially excludable hence innovations in the technology are for the most part privately provided this means that nonconvexities are relevant for goods that trade in private markets consequently an equilibrium with price taking in all markets cannot be sustained concluding remarks describe some of the recent equilibrium growth models that do not rely on price taking and highlight some of the implications of these models this abstract was borrowed from another version of this item

on the role of the production and consumption assumptions for optimum taxation abstract the sensitivity of optimum tax rates to a variety of factors has sustained many different lines of enquiry this paper attempts to demonstrate by computational procedures the role of the production and consumption leisure assumptions in the light of recent research in particular the work of stern will be extended to provide an assessment of the allen analysis it will be shown that optimum negative marginal tax rates are no longer a curiousity and that our production and consumption leisure assumptions are of considerable importance for variable wage tax models

public goods self selection and optimal income taxation using the self selection approach to tax analysis this paper derives a modified samuelson rule for the provision of public goods when the government deploys an optimal nonlinear income tax this approach gives a straightforward interpretation of the central result in this area generalises it and provides a simple characterisation of optimal policy in a wide range of circumstances the analysis also emphasises and clarifies the significance of the choice of numeraire for the optimality of decentralising public spending decisions it is well known that the famous samuelson rule for the provision of public goods may not be applicable when the tax revenues used to finance the public goods come from distorting taxes the principle was recognized as long ago as pigou 1947 long before the samuelson rule was devised pigou saw that in addition to the resource cost involved in transferring funds from the private to the public sector there was a deadweight loss involved from this insight he suggested that the criterion for providing public goods should be more stringent than the samuelson rule would later suggest in particular one might expect that the inclusion of the deadweight loss of taxes as part of the cost of providing a public good would lead to a reduction in its optimal provision relative to a situation in which lump sum taxes were available the problem was investigated more systematically by atkinson and stern 1974 who considered the case in which a public good is financed by a set of optimal commodity taxes all individuals were assumed to be identical so efficiency alone dictated the objective they found that no prima facie case could be made for the pigou position that the use of distortionary taxes called for a reduction in the supply of the public good their analysis clearly showed that there were two influences at work when the financing of a public good was by distorting taxes on the one hand

an upper bound on optimal income taxes abstract the message of this paper is very simple a certain range of tax rates determined by supply and demand functions only can be disregarded in linear optimal taxation approaches before any interpersonal utility comparisons are made in particular no marginal tax rate above a certain level can be optimal with respect to pareto inclusive social orderings it is shown that is in general not larger than and sometimes strictly less than the minimal tax rate at which tax revenues are maximal conditions under which is the least upper bound are given and a comparison is made with tax rates obtained by the rawlsian maximin principle

taxing family size and subsidizing child specific commodities abstract the effects and optimal choice of policy instruments directly affecting the welfare of parents and children are examined within the context of a household economics model if fertility were exogenous and households differed in number of children only a first best could be implement through a grant conditional on family size outside this very special case public intervention is either not justifiable on distributional grounds or involves taxing child specific commodities less than adult specific commodities if fertility is endogenous family size must be taxed or subsidized according to whether household expenditure on children is decreasing or increasing in the mother s wage rate

optimal linear income taxation with general equilibrium effects on wages abstract the paper argues that the endogeneity of wages may make a considerable difference to optimal linear tax rates in this case there is not only the usual direct redistribution via the fiscal system but also the general equilibrium redistribution due to the change in wages depending on the elasticity of substitution of the production function and the labour supply elasticities these may be reinforcing or opposing it is shown that the general equilibrium effect may plausibly outweigh the direct effect so that net redistribution to the lower paid involves a wage subsidy financed by a lump sum tax

r d production structure and rates of return in the u s japanese and german manufacturing sectors a non separable dynamic factor demand model abstract the focus of this paper is an analysis of the production structure the demand for factor inputs and the rates of return in the manufacturing sector of three major industrialized countries the united states japan and germany the analysis is based on a dynamic factor demand model with two variable inputs labor and materials and two quasi fixed inputs capital and rd also for all countries the speed of adjustment for capital is found to be higher than that for r d

on the optimal income taxation some further numerical results abstract using numerical calculations we show in the optimal income tax model that a realistic value for the elasticity of substitution between consumption and leisure 0 5 leads to conclusions different from some of those drawn by mirrlees 1971 and atkinson 1973 the marginal tax rates are not so low and the shape of the tax schedule is for a great majority of the population substantially nonlinear a new feature in our calculations is that both results come out without going to maximin as done by atkinson 1973 we study in special cases the locality of the zero limit of the marginal tax rate at the upper end of the ability distribution and we achieve a very definite conclusion this result is really very local we also present an interesting approximation result concerning the relationship between the level of the government revenue and the marginal tax rate for individuals with high ability an important methodological remark analogous to sen s critique on the ethical measures of inequality is made on the interpretation of optimal income tax calculations

are economic rents good for development evidence from the manufacturing sector abstract are rents or excess profits good for development rents could induce firms to lobby or bribe governments to preserve the status quo on the other hand rents may promote growth by giving firms the needed funds to make investments in fixed capital or research and development to test this question empirically we use a panel of manufacturing data at the industry country year level and measure rents by the mark up ratio we find that the relationship between rents and growth is strongly negative with the results being primarily driven by the poorer countries or those with worse institutions in the sample this result holds when we instrument for mark up using the average mark up in other industries in the country even in industries with high external financing needs and countries with less developed financial sectors precisely the places where excess profits could be used to drive growth we find that rents are especially harmful consistent with the rent seeking mechanism we highlight we find that high rents are associated with a slower reduction in tariffs we also test for the most likely alternative mechanism that higher rents cause slower growth through the channel of allowing managerial slack we find that controlling for management has little impact on our estimate of the impact of mark up on productivity growth

choice of occupation tax incidence and piecemeal tax revision a model is presented where workers move between two different occupations in response to economic incentives which are distorted by an income tax wages assume equilibrium values which are affected by the tax parameters incidence and welfare effects of small tax revisions are analyzed with particular attention to the role of tax induced wage changes it is demonstrated that within the economic setting of the model such wage effects may be neglected in assessments of piecemeal tax revisions

on the optimality of a minimum wage new insights from optimal tax theory we build a theoretical model to study whether a minimum wage can be welfare improving if it is implemented in conjunction with an optimized nonlinear income tax we consider this issue in a framework where search frictions on the labor market generate unemployment workers differ in productivity the government does not observe workers productivity but only their wages hence the redistributive policy solves an adverse selection problem we show that a minimum wage is optimal if the bargaining power of the workers is relatively low however if the government controls the bargaining power then it is preferable to set a sufficiently high bargaining power

is the income elasticity of environmental improvements less than one we estimated the income elasticity of environmental improvements for a number of european data sets the value of this parameter is consistently found to be less than one with few exceptions our findings are compared with state of the art contingent valuation studies from other countries we also compared our findings with those reported in the literature on charitable donations and corporate donations these studies show a similar pattern donations decrease as a percentage of income as income increases

energy growth conundrum in energy exporting and importing countries evidence from heterogeneous panel methods robust to cross sectional dependence abstract this article uses the panel methods for energy exporting and importing countries that discuss the heterogeneity and cross sectional dependence in investigating the linkages between energy consumption and economic growth the findings of the study suggest that the energy consumption is an important input not only in the energy importing but also in energy exporting countries furthermore the results of the present paper suggest that the policy options should be different for the different countries in the back drop of heterogeneous slope coefficients

survive another day using changes in the composition of investments to measure the cost of credit constraints abstract we introduce a novel empirical strategy to measure the size of credit shocks theoretically we show that credit shocks reduce the value of long term relative to short term investments empirically we can therefore compare the reduction of long term relative to short term investments within firms allowing for firm times year fixed effects using spanish firm level data we estimate the credit crunch to be equivalent to an additional tax rate of around 11 on the longest lived capital to pin down credit constraints as the underlying cause we apply triple differences strategies using foreign ownership or precrisis debt maturity

estimation of the depreciation rate of physical and r d capital in the u s total manufacturing sector i introduction numerous studies on production and cost the sources of productivity and endogenous growth have recognized the pivotal role of the physical capital stock studies at various levels of aggregation over assets and industries have emphasized the crucial role of investment in plant and equipment in the growth of demand and productive capacity it is clearly recognized by economists and policymakers that knowledge capital approximated by rd 1986 to measure the depreciation rates of the stock of rd 1980 in the literature on dynamic demand models such an approach was first adopted by epstein and denny 1980 and more recently by kollintzas and choi 1985 for a single capital good and on a theoretical level in bernstein and nadiri 1987a 1987b the paper is organized as follows the specification of the model is presented in section ii section iii is devoted to a discussion of the data and to the presentation of the parameter estimates of the model in section iv we present the empirical results for the depreciation rates for physical and r d capital and compare them with those reported in the literature we compare the physical capital stock estimates generated by our model with the official capital stock estimates produced by u s department of commerce bureau of economic analysis in this section we also present our estimates of the decomposition of gross investment into replacement and expansion investment for both physical and r d capital these decompositions are important from the vantage point of public policy analysis

the demand for environmental quality in driving transitions to low polluting energy sources the purpose of this paper is to understand the long run demand for energy related environmental quality its influence on legislation and on transitions to low polluting energy sources it starts by presenting a simple framework of the relationship between the demand for and supply of environmental quality environmental legislation and energy this forms the structure for presenting a series of episodes in british history where a demand for improvements in energy related environmental quality existed this analysis proposes that markets can drive transitions to low polluting energy sources in specific economic conditions however most probably governments will need to push them and this cannot be expected without strong and sustained demand for environmental improvements yet while demand is a prerequisite it is not enough it must also be spearheaded by strong creative and sustained pressure groups i e powerful lobbying and the weakening of the counter lobby to introduce legislation to enforce it and to avoid it being over turned by future governments

a note on the marginal tax rate in a finite economy abstract the marginal tax rate is shown to be non negative in guesnerie and seade s model of nonlinear pricing in a finite economy under assumptions that are as mild as those customarily adopted in nonlinear tax models with a one dimensional continuum population

the social discount rate what discount rate should be applied to social investments it is standard to use the market interest rate thereby respecting private preferences we show that application of this revealed preference criterion rests on faith not on logic it is justified only if preferences over all choices including past choices are time invariant the conditions for this to be true are stringent under more reasonable conditions policy makers should be more patient than private citizens whose choices define the most short sighted pareto optimum

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

the optimal public employment policy abstract this paper studies optimal public employment in a model with two types of labor unskilled and skilled and a single consumption good a linear income tax is used to redistribute income it is shown that if the income tax and public employment levels are optimal then there is less unskilled labor and more skilled labor in public production than is necessary to minimize costs at the prevailing gross wage rates the robustness of this result is investigated by examining a second model

endogenous fertility and the henry george theorem abstract models of endogenous demographic change deal with population size as an additional object of the welfare analysis in these models the overlapping generations olg model serves as the basic framework in club theory too population size is treated as an endogenous variable in local public goods lpg models the so called henry george theorem which requires local public expenditures to be financed by a 100 tax on aggregate land rent is known as a first order condition for club efficiency the present paper establishes and exploits an isomorphism between steady states of the olg model and allocations of the lpg model the paper revisits samuelson s fallacy concerning his goldenest golden rule and it explores institutional arrangements that sustain the optimum growth of population

the optimal linear income tax with tax credits contingent on fertility abstract the literature on the optimal linear income tax is extended by incorporating tax credits contingent on the number of dependents the taxpayer is responsible for the choice over how many dependents to be responsible for is made endogenous by allowing taxpayers a choice over their own fertility formulae are derived governing the government s optimal choice of the labor income tax rate and the tax credit contingent on fertility it is also shown that if the government chooses its policy based on the belief that fertility behavior is exogenous when it is actually endogenous then a suboptimal policy will be chosen if certain conditions are fulfilled the government will choose a labor income tax rate lower than that which is actually optimal

capital maintenance and depreciation over the business cycle abstract this paper develops and estimates a stochastic general equilibrium model with capital maintenance which affects endogenously the depreciation rate of capital the estimate of maintenance series is found to track survey based measures for canada quite closely and to generate the procyclical pattern of maintenance observed in the data we use our model estimates to infer the time profile of equipment capital depreciation in canadian and us manufacturing the depreciation rate is estimated to be volatile and highly procyclical in both countries

income taxation endogenous factor prices and production efficiency in an analysis of a two type income tax model with endogenous wages this paper shows that production efficiency is violated in the optimum with i non linear and ii linear income taxation if and only if a distortionary tax schedule is implemented these findings complement earlier results of the literature in passing it is also shown that optima with non linear redistributive income taxation cannot be identified with the redistributive regime if the assumption of endogenous wages is taken seriously

capacity utilization and depreciation in use in this paper the effect capacity utilization has on the depreciation of capital goods is studied starting from a quadratic approximation to a normalized short run cost function expressions for the optimal rate of capacity utilization the demands for labour and energy and for investment are obtained investment is a function of past capital stock expected future capital stock expected future relative prices and expected future depreciation rates expectations are modelled via instruments the model is tested using us total manufacturing quarterly data depreciation dependent upon usage is found to be both statistically and economically significant

minimum wage legislation as a second best policy mass unemployment is a striking phenomenon of the present economic situation of european market economies although the profession of economists has been criticized for not providing satisfactory cures it has produced a number of different explanations either complementary or contradictory for the occurrence of mass unemployment in this paper we examine the argument that unemployment is the consequence of minimum wage legislation which is socially desirable the observation of current wage legislations suggests that the above argument is broadly at least partly accepted by policy makers curiously enough a defence of this argument meeting the rigorous requirements of modern theory seems to be missing symmetrically attacks against minimum wage legislation often rely upon reasonings of dubious relevance i e the obvious remark that unemployment is a waste with first best efficiency criteria the present paper proposes a second best analysis where second best stems from informational asymmetries which prevent the implementation of lump sum transfers needed for a first best redistribution policy the question under scrutiny can be reformulated in a more precise way as follows does a second best optimal redistribution policy lead to minimum wage legislation and unemployment our elements of answer are gathered in 3 sections in section 2 the principles of the analysis of the desirability of quantity controls and existing results are recalled in section 3 the analysis of section 2 is specified to a simple prototype model for the study of linear income taxation in section 4

income distribution policies with endogenous fertility the implications of endogenous fertility for intra generational welfare comparisons of alternative policies with respect to income taxation and family allowances are considered the interactions among the choices between leisure options labor force participation and fertility are shown to be crucial to the determination of both the signs and the magnitudes of the optimal child allowances and income tax rates the implications of a negative marginal tax rate and a negative child allowance are considered annotation

redistributive taxation in the roy model we consider optimal redistribution in a model where individuals can self select into one of several possible sectors based on heterogeneity in a multidimensional skill vector we show that when the government does not observe the sectoral choice or underlying skills of its citizens the constrained pareto frontier can be implemented with a single non linear income tax we derive formulas for this optimal tax schedule if sectoral inputs are complements a many sector model with self selection leads to optimal income taxes that are less progressive than the corresponding taxes in a standard single sector model under natural conditions however they are more progressive than in a multi sector model without occupational choice or without overlapping wage distributions as in stiglitz 1982

modelling technical change in italian agriculture a latent variable approach this paper presents an alternative approach to the measurement of technical change it is based on the latent variable level of technology that enters explicitly the input demand system and on a hypothesis about the innovation generating process by adding measurement error equations the behavioral system can be viewed as a multiple indicators multiple causes mimic model the parameter estimates are obtained with a maximum likelihood estimator which involves the implicit covariance matrix the analysis refers to italian agriculture and the results provide some evidence on the nature and level of technical change during the years 1961 1991

corporate liquidity and capital structure we solve for a firm s optimal cash holding policy within a continuous time contingent claims framework using dividends short term borrowing and equity issues as controls assuming mean reversion of earnings optimal cash is non monotone in business conditions and increasing in the level of long term debt the model matches closely a wide range of empirical benchmarks and predicts cash and leverage dynamics in line with the empirical literature firm value is quite insensitive to changes in the level of long term debt the model has interesting implications for asset substitution hedging and pecking order growth opportunities do not greatly affect cash holding policy

external costs of energy do the answers match the questions looking back at 10 years of externe abstract while the claim for getting prices right is quite popular in conceptual policy papers the implementation of appropriate internalisation strategies is still hampered by a lack of reliable external cost data great expectations were set into the externe project a major research programme launched by the european commission at the beginning of the 1990s to provide a scientific basis for the quantification of energy related externalities and to give guidance supporting the design of internalisation measures after more than a decade of research the externe label became a well recognised standard source for external cost data looking back into the externe history the paper pursues how emerging new scientific insights and changing background assumptions affected external cost estimates and related recommendations to policy over time based on externe results the usefulness and inherent limitations of external cost estimates for impact categories like climate change or nuclear waste disposal is discussed the paper also gives examples on how external costs in spite of remaining uncertainties are successfully used to support environmental policy

capital utilization economic growth and convergence abstract optimal decisions by economic agents regarding the utilization of capital lead to empirically plausible speeds of convergence in one sector models of economic growth the relationship between depreciation and capital utilization plays a crucial role in slowing down convergence to the steady state cross country differences in the extent to which the capital utilization decision is internalized along the transition path may lead to differences in convergence rates even for countries with similar initial and terminal conditions finally by assuming a constant depreciation rate and full capital utilization standard growth models may be overstating the magnitude of the steady state equilibrium

structural benefit transfer an example using vsl estimates abstract this paper describes and illustrates a method for benefits transfer referred to as preference calibration or structural benefits transfer this approach requires selection of a preference model capable of describing individual choices over a set of market and associated non market goods to maximize utility when facing budget constraints once the structure is selected the next step involves defining the analytical expressions for the tradeoffs being represented by the set of available benefit measures these algebraic relationships are used with the benefit estimates from the literature to calibrate the parameters of the model the calibrated model then offers the basis for defining the new tradeoffs required for the policy analysis i e for transferring benefits a new application is used to illustrate the structural benefits transfer logic it involves the benefits for mortality risk reductions measured with labor market compensation a worker would accept to be willing to work with added risk the measure is usually labeled the value of a statistical life vsl our application indicates that we should not have expected differences in these measures for the economic value of risk reductions with age the calibrated estimates were not greatly different for combinations of risk levels labor supply choices wages and non wage income for older adults thus simple adjustments relying on value per discounted life year remaining seem questionable

estimation of r d depreciation rates a suggested methodology and preliminary application the 2008 version of the sna will recommend capitalization of r d expenditures to implement this recommendation measures for the stock of r d capital must be constructed and this implies a need to determine the depreciation rate of r d capital in this paper we develop a simple model based on a production function method that allows for monopolistic competition to estimate the annual depreciation rate of r d capital we treat r d capital as a technology shifter instead of as an explicit input factor both the r d stock and the time variable are used to capture technological progress modeling r d capital in this manner can better represent the role r d plays in economic growth estimated r d depreciation rates and markup factors are presented for the u s manufacturing sector and four u s knowledge intensive industries namely chemical products sic 28 non electrical machinery sic 35 electrical products sic 36 and transportation equipment sic 37

if agricultural land taxation is so efficient why is it so rarely used the land tax enjoys a distinguished pedigree in the theoretical literature on tax efficiency yet it is rarely used as a serious revenue source in rural areas of developing countries this article considers three drawbacks of the land tax relative to taxes on exports or marketed output 1 capitalization effects of the land tax impose a large burden on the current generation 2 land taxation increases the riskiness of net farmer income and 3 administration of the land tax entails costly informational requirements this article demonstrates that only the second and third drawbacks are valid economic arguments against the land tax simulations based on an economic model of farm behavior suggest that farmers may still prefer a land tax to an export tax despite the increased uncertainty of their after tax income administrative costs are therefore the best explanation of the weak link between the theoretical and practical aspects of land taxation

derivative ideas and the value of intangible assets we build a general equilibrium model where growth is driven by two invention types fundamental ideas that cause creative destruction and derivative ideas that enhance the value of existing inventions the model provides a new mapping from microeconomic patent data to aggregate total factor productivity growth and the aggregate value of privately owned knowledge we show how to measure the frequency of derivative ideas and the rate of creative destruction we estimate that derivative ideas account for 70 80 of all patents and their presence more than doubles the value of knowledge capital relative to what the measured innovation rate might otherwise imply

steady state solutions of optimal tax mixes in an overlapping generations model abstract this paper analyzes steady state solutions of optimal tax mixes in an overlapping generations model of heterogeneous individuals with a utilitarian social welfare function a test with cobb douglas utility functions shows that an uneven distribution of the innate abilities leads to high rates of consumption and wage income taxes and a high level of a lump sum transfer the more the labor force works the higher the optimal tax on wage income significant differences in individual preferences lead to low rates of consumption and wage income taxes and to a high rate of interest income tax with identical preferences the rate of interest income tax is zero

inequality aversion and marginal taxes the concept of a lower bound on optimal linear taxes is analyzed a marginal tax rate is defined to be optimal if the corresponding state of the economy is a welfare maximum for some social welfare function reflecting at least a minimal aversion to inequality the lower bound on optimal tax rates is proved to be strictly positive this tax rate is also calculated in a numerical example based on swedish data the value obtained is 29 per cent

estimates of the value of patent rights in european countries during the post 1950 period this paper examines the distribution of the values of patent rights in the united kingdom france and germany during the post 1950 period these values are inferred from the behavior of patentees with respect to payment of renewal fees on their patents a simple economic model of renewal decisions is combined with data on the proportion of patents renewed at alternative ages and the renewal fee schedules to produce estimates of the distribution and the total value of patent rights in these countries moreover the data indicate that there have been changes in the value distribution and we follow these changes over the period the empirical results of particular interest concern the total value of patent rights and the relationship between changes in it and changes in the quantity of patents the skew in the distribution of patent values and the rate of obsolescence on the returns to patents

estimating the euler equation for aggregate investment with endogenous capital depreciation this article looks at the empirical consequences of introducing endogenous capital depreciation in the standard neoclassical model with quadratic adjustment costs to this end we formulate an empirical specification that accommodates capital maintenance and utilization in the euler equations for aggregate investment the empirical estimates with data from the canadian survey on capital and repair expenditures show that in contrast to the existing literature the performance of the euler equations is improved when we account for the impact of variable capital depreciation

labor supply with job assignment under balanced growth abstract we consider a competitive equilibrium growth model where technological progress is embodied into new jobs which are assigned to workers of different skills in every period workers decide whether to actively participate in the labor market and if so how many hours to work on the job balanced growth requires that the job technology is complementary with the worker s total labor input on the job which is jointly determined by his skill and his working hours since lower skilled workers can supply longer hours we show that the equilibrium features positive assortative matching higher skilled workers are assigned to better jobs only if differences in consumption are small relative to differences in worker skills when the pace of technological progress accelerates wage inequality increases and workers participate less often in the labor market but supply longer hours on the job this mechanism can explain why as male wage inequality has increased in the us labor force participation of male workers of different skills has fallen while their working hours have increased

endogenous fertility and optimal population size pareto optimality which is the standard criterion of efficiency in general equilibrium models takes population size as given and therefore cannot be directly applied to analyze the question of optimal population size the criterion then for optimal population size must be based on a more restrictive definition of optimality this paper extends peter diamonds 1965 golden golden rule growth model by assuming that individuals derive utility from their own consumptionand from their own children offspring are assumed to consume resources before reaching adulthood the authors show that the optimal steady state utility yields a higher population growth rate when it converges to the golden rule allocation they then demonstrate that a voluntary social security program in which the size of the transfer to a particular agent is directly tied to his own fertility leads the competitive allocation to be identical to the allocation corresponding to the maximum of the steady state utility of the representative individual

corruption pollution and the kuznets environment curve abstract this paper examines the implications of corruption and rent seeking behavior by the government for the relationship between pollution and growth cases of both cooperative and non cooperative interaction between the government and the private firm are studied it is shown that corruption is not likely to preclude the existence of an inverted u shaped kuznets environmental curve under both these cases however for any level of per capita income the pollution levels corresponding to corrupt behavior are always above the socially optimal level further the turning point of the kuznets curve takes place at income and pollution levels above those corresponding to the social optimum

the environmental kuznets curve does one size fit all abstract this paper uses a new panel data set on state level sulfur dioxide and nitrogen oxide emissions from 1929 1994 to test the appropriateness of the one size fits all reduced form regression approach commonly used in the environmental kuznets curve literature empirical results provide initial evidence that an inverted u shape characterizes the relationship between per capita emissions and per capita incomes at the state level parameter estimates suggest however that previous studies which restrict cross sections to undergo identical experiences over time may be presenting statistically biased results

fertility and the tax benefit system a reconsideration of the theory of family taxation the author examines the simultaneous nature of the decision to have children the decision to spend money on them and the decision to seek employment it will be argued that the children income trade off emphasised by the present paper is more relevant to most family decisions than the income leisure trade off on which much of the policy debate has been centred in order to do that we shall bring together the recently developed economic theory of the family or new home economics with the microeconomic branch of the theory of public finance a model of family choice is developed the main message of the present paper is that if as the evidence suggests parents have some control over the number of children they put into the world then the effect of taxes and subsidies on the familys allocation of time and money will be generally weaker and in some respects the opposite of what it would be if the number of children were physiologically constrained or exogenously given another is that if parents derive utility from having children this has to be taken into account in any welfare calculation fertility may thus affect the design of optimal policy in two ways indirectly through its effect on market behaviour and directly through its effect on welfare excerpt

redistribution and subsidies for higher education the financing of higher education through public spending imposes a transfer of resources from taxpayers to university students and their parents we provide an explanation for this phenomenon those who attend institutions of higher education will earn more income in the future and will pay more taxes people whose children do not receive higher education however should agree to help pay the cost of such education providing that taxes are sufficiently high to ensure an adequate redistribution in favor of their own children at some time in the future

decentralized fiscal federalism revisited optimal income taxation and public goods under horizontal leadership this paper concerns optimal taxation and public goods in an economic federation with decentralized leadership where one lower level government is the first mover also in the horizontal dimension under plausible assumptions horizontal leadership reinforces the incentives created by decentralized leadership

on modeling and interpreting the economics of catastrophic climate change with climate change as prototype example this paper analyzes the implications of structural uncertainty for the economics of low probability high impact catastrophes even when updated by bayesian learning uncertain structural parameters induce a critical tail fattening of posterior predictive distributions such fattened tails have strong im plications for situations like climate change where a catastrophe is theoretically possible because prior knowledge cannot place sufficiently narrow bounds on overall damages this paper shows that the economic consequences of fat tailed structural uncertainty along with unsureness about high temperature damages can readily outweigh the effects of discounting in climate change policy analysis

redistribution and pollution taxes with non linear engel curves abstract this paper analyses optimal corrective taxation and optimal income redistribution the pigouvian pollution tax is higher if pollution damages disproportionally hurt the poor due to equity weighting of pollution damages moreover under general utility functions optimal pollution taxes should be set below the pigouvian tax if the poor spend a disproportionate fraction of their income on polluting goods however if engel curves are linear optimal pollution taxes should follow the first best rule for the pigouvian corrective tax even if the government wants to redistribute income and the poor spend a disproportional part of their income on polluting goods the often used quasi linear ces and stone geary utility functions all have linear engel curves if engel curves are linear and if pollution taxes are not optimised pareto improving green tax reforms exist that move the pollution tax closer to the pigouvian tax simulations demonstrate that optimal corrective taxes should be pigouvian if the demand for polluting goods is derived from a les demand system but deviate from the pigouvian taxes if demand for polluting goods demand is derived from a piglog demand system

net energy analysis in a ramsey hotelling growth model this article presents a dynamic growth model with energy as an input in the production function the available stock of energy resources is ordered by a quality parameter based on energy accounting the energy return on energy invested eroi in our knowledge this is the first paper where eroi fits in a neoclassical growth model with individual utility maximization and market equilibrium establishing the economic use of net energy analysis on a firmer theoretical ground all necessary concepts to link neoclassical economics and eroi are discussed before their use in the model and a comparative static analysis of the steady states of a simplified version of the model is presented

optimum taxation with errors in administration abstract the paper compares the welfare levels which can be achieved by two distinct tax regimes lump sum taxation where one attempts to identify individuals and allocate transfers or subsidies on the basis of characteristics and income taxation where characteristics are not observed but personal incomes are measured and taxed where there are no errors in classifying individuals lump sum taxation is superior but where mistakes are made in the allocation of lump sum grants or subsidies income taxation may be more attractive the level of errors where the regimes are equally desirable in terms of social welfare is computed in simple models following that of feldstein 1973 where there is strong aversion to inequality then income taxation becomes preferable at quite small errors in analysing income taxation it is shown that in the feldstein model with endogenous wages the marginal tax rate in optimum income taxation on the more skilled is negative and that on the less skilled is positive in contrast to the standard results see seade 1977 with exogenous wages

the timing of redistribution we investigate whether late redistribution programs that can be targeted toward low income families but that may distort savings decisions can dominate early redistribution programs that cannot be targeted as a result of information constraints we use simple two period overlapping generations models with heterogeneous agents under six policy regimes a model calibrated to the u s economy benchmark two early redistribution lump sum regimes two targeted late redistribution regimes and finally a model without taxes and redistribution redistribution programs are financed by a labor tax on the young generation and a capital tax on the old generation we argue that if the programs are small in size late redistribution can dominate early redistribution in terms of welfare but not in terms of real output better targeting of low income households cannot completely offset savings distortions in addition we find that the optimal transfer and tax policy implies a capital tax of 100 and transfers exclusively to the young generation

self selection and pareto efficient taxation abstract this paper analyses the set of pareto efficient tax structures the formulation of the problem as one of self selection not only shows more clearly the similarity between this problem and a number of other problems such as the optimal pricing of a monopolist which have recently been the subject of extensive research but also allows the derivation of a number of new results we establish i under fairly weak conditions randomization of tax structures is desirable ii if different individuals are not perfect substitutes for one another in production then the general equilibrium effects until now largely ignored in the literature of changes in the tax structure may be dominant in determining the optimal tax structure in particular if the relative wage of high ability and low ability individuals depends on the relative supplies of labor the optimal tax structure entails a negative marginal tax rate on the high ability individuals and a positive marginal tax rate on the low ability individuals the marnitude of which depends on the elasticity of substitution iii if individuals differ in their preferences pareto efficient taxation may entail negative marginal tax rates for high incomes while iv if wage income is stochastic the marginal tax rate at the upper end may be 100 our analysis thus makes clear that the main qualitative properties of the optimal tax structure to which earlier studies called attention are not robust to these attempts to make the theory more realistic