environmental regulation and u s economic growth in this article we quantify the costs of pollution controls by reporting the results of simulations of the growth of the u s economy with and without regulation for this purpose we have constructed a detailed model of the economy that includes the determinants of long term growth we have also analyzed the interaction between industries in order to capture the full repercussions of environmental regulations however we have not attempted to assess the benefits resulting from a cleaner environment we find that pollution abatement has emerged as a major claimant on the resources of the u s economy the cost of emission controls is more than 10 of the total cost of government purchases of goods and services

substitution in the electric power industry an interregional comparison in the eastern us abstract the electric power industry is restructuring as regulations move from states to regional and national levels estimates of regional fuel and input substitution are essential for practitioners and policy makers this paper estimates substitution under static and dynamic scenarios examining changes in technology and total factor productivity from 2001 to 2008 two stage estimation reveals regional characteristics and underlying elements in fuel and factor choice processes substitution varies widely depending on the region coal technology capital investment and r d activities

environmental regulations and market power the case of the korean manufacturing industries abstract in korea economic growth between 1980 and the mid 1990s was barely affected by environmental regulations it could be the case that industries with more market power exercised more political power which was translated into less expensive regulation e g less rigorous monitoring or enforcement efforts in this paper we test a negative relationship between market power and the contribution of environmental regulations to productivity growth a restricted cost function is jointly estimated with an inverse supply relation to measure the productivity growth effect of regulations and the degree of market power in 15 sub industries in the korean manufacturing industries over the period 1983 93

can a carbon trading system promote the transformation of a low carbon economy under the framework of the porter hypothesis empirical analysis based on the psm did method abstract global warming is one of the issues of great concern in the world the large scale use of fossil fuels has led to the continuous increase in carbon emissions resulting in global energy shortages and environmental pollution reasonable and strict environmental regulation promotes technological innovation by enterprises to achieve a win win situation between the economy and environment which is the core idea of the porter hypothesis the choice of china as the world s largest energy consumer and carbon emitter is not only related to the country s own mode of economic growth but also determines the development of the world s low carbon economy we used the panel data from 2000 to 2016 of 30 provincial level administrative regions in china and adopted the propensity score matching difference in differences method to test the impact of china s carbon trading pilot system on the transformation of a low carbon economy the empirical results show that under the constraints of the established resources and environment there is a positive relationship to some extent between china s carbon trading system and low carbon economic transformation this relationship can realize the win win situation of environmental and economic benefits as advocated by the porter hypothesis and further verify the applicability of the porter hypothesis

plant vintage technology and environmental regulation abstract we use data on productivity and pollution abatement costs at individual pulp and paper mills to test whether the impact of environmental regulation on productivity differs by plant vintage and technology plants with higher pollution abatement costs have significantly lower productivity levels this relationship differs greatly based on a plant s technology with productivity at integrated mills being greatly affected by abatement costs while the impact at non integrated mills is negligible plant vintage does not seem to matter with older and newer plants showing similar impacts reported abatement costs appear to substantially understate the true costs of abatement accounting for the impact of technology differences makes some difference in the estimated overall impact of environmental regulation

the efficiency and equity consequences of two part tariffs in electricity pricing ahstrat t this paper evaluates electricity two part tariffs with both efficiency and equity criteria the efficiency of tariffs is analyzed by studying the relation between price and marginal cost for both customer connection and variable output the equity of tariffs is addressed by an analysis of cross subsidization to address these issues this paper presents a multiproduct cost function that can provide information on output and connection marginal costs for each customer class using a 1980 cross section of electric utilities it is shown that prices are not set in a first best efficient manner and least favor the commercial class

environmental regulations and industrial competitiveness evidence from china economic activities are closely related to real world environmental issues currently more attention is paid to the association between environmental regulations and industrial competitiveness ic because of pressures on economic development and environmental protection in this study we identify and explain the association between environmental regulations and ic in china as the largest developing country in the world china has the unavoidable responsibility of protecting the environment and promoting global economic development we analyse the mechanisms behind environmental regulations and industrial competiveness at the provincial level and conclude that the impact of environmental regulations upon ic is not a simple linear one but a u shaped relationship it is argued that the crucial intervention to activate the u shaped relationship or porter s hypothesis is innovation which can be triggered by stringent regulations and well designed policies

cost functions and nonlinear prices estimating a technology with quality differentiated inputs the paper is concerned with developing a production theory for the case when some inputs have nonlinear prices because the price depends on endogenous quality this involves extending the notion of a cost function to the case where nonlinear prices are parameters of costs after developing the appropriate theory we apply our results to the case of coal fired electric power generation where fuel quality depends on sulfur and ash impurities environmental regulations induce a negative value on sulfur whereas ash impurities degrade performance and thus reduce production possibilities a number of empirical results emerge including significant rates of technological change that are sulfur and ash saving though capital using this change may explain in part the recent drop in the price of sulfur allowances in the united states

separability functional form and regulatory policy in models of interfuel substitution abstract counter intuitive results such as positive own price elasticities have been found in some studies of interfuel substitution this paper examines three possible reasons for this problem first including energy materials in petroleum and coal aggregates is found to contribute to incorrect signs second the mathematical properties of the translog function contribute to concavity violations in contrast the linear logit model of cost shares is found to provide more sensible estimates of own price elasticities across alternative model specifications finally natural gas curtailment policies and environmental regulations are found to be significant factors influencing us industrial fuel demand although omission of these factors does not directly contribute to curvature violations

environmental regulation and competitiveness empirical evidence on the porter hypothesis from european manufacturing sectors abstract this paper investigates the weak and strong versions of porter hypothesis ph focusing on the manufacturing sectors of 17 european countries between 1997 and 2009 the hypothesis that well crafted and well enforced regulation would benefit both the environment and the firm was originally proposed by porter 1991 and porter and van der linde 1995 to date the literature has analyzed the impact of environmental regulation on innovation and on productivity mostly in separate analyses and focusing on the usa the few existing contributions on europe study the effect of environmental regulation either on green innovation or on performance indicators such as exports we instead look at overall innovation and productivity impacts first focusing on overall innovative activity allows us to account for potential opportunity costs of induced innovations second productivity impacts are arguably the most relevant indicators for the strong ph as a proxy of environmental policy stringency we use pollution abatement and control expenditures pace one of the few sectoral level indicators available we remedy upon its main drawback namely potential endogeneity by adopting an instrumental variable estimation approach we find evidence of a positive impact of environmental regulation on the output of innovation activity as proxied by patents thus providing support in favor of the weak ph this result is in line with most of the literature on the other front we find no evidence in favor of the strong ph as productivity appears to be unaffected by the degree of pollution control and abatement efforts

the effects of regulation on research and development theory and evidence while other aspects of the effects of regulation on resource allocation have received considerable attention the impact of regulation on the innovative p ropensities of regulated firms has generated only limited and somewha t tenuous evidence accordingly this article investigates the effect s of regulation and firm structure on research and development r d expenditures a simple model of the behavior of a firm under a rate o f return regulation suggests that both the stringency of the allowed rate of return constraint and the inclusion or exclusion of r d in a firm s rate base will be key determinants of firm level r d expenditu res the empirical results strongly support the theoretical model copyright 1988 by the university of chicago

the impact of environmental regulations on industry productivity direct and indirect effects abstract the paper develops an approach to measuring the impact of environmental regulations on total factor productivity growth which is less restrictive than a simple growth accounting approach environmental regulations have a direct impact on productivity growth due to the diversion of resources toward required abatement capital there can be a further indirect effect however as conventional inputs and production processes are changed in response to requirements to purchase abatement capital we estimate this indirect effect using a flexible functional form cost function total factor productivity and the direct and indirect productivity effects of environmental regulations are presented for five polluting industries we find that the indirect effect can be either positive or negative and in all industries is energy using the net impact of environmental regulations on total factor productivity growth is fairly small given that these are the most polluting industries they account for about 10 30 of the productivity decline of the 1970s in these industries

search theoretic models of the labor market a survey we survey the literature on search theoretic models of the labor market we show how this approach addresses many issues including the following why do workers sometimes choose to remain unemployed what determines the lengths of employment and unemployment spells how can there simultaneously exist unemployed workers and unfilled vacancies what determines aggregate unemployment and vacancies how can homogeneous workers earn different wages what are the tradeoffs firms face from different wages how do wages and turnover interact what determines efficient turnover we discuss various modeling choices concerning wage determination and the meeting process including recent models of directed search

federal environmental policy and local industrial diversification the case of the clean air act carr d and yan w federal environmental policy and local industrial diversification the case of the clean air act regional studies air quality regulations under the clean air act alter local industrial diversification by reducing concentration in polluting sectors of the economy for non attainment areas using comprehensive county level data covering the entire united states over a period of twenty six years this study finds an important connection between air quality regulations and local industrial diversification in both non attainment areas and jurisdictions that have gained attainment status non attainment status for ozone carbon monoxide co or sulphur dioxide so2 brings about significant decreases in local industrial specialization furthermore these effects persist after attainment status has been gained for ozone carbon monoxide or sulphur dioxide carr d et yan w la politique federale pour l environnement et la diversification industrielle locale etude de cas de la loi antipollut

the economic costs of environmental regulation in u s dairy farming a directional distance function approach analyses of the costs of regulating greenhouse gas emissions from dairy production which could be used to assess the effectiveness of alternative policy measures is a missing link in the literature this article addresses this gap by establishing the economic impact associated with a hypothetical greenhouse gas environmental regulatory regime across major dairy producing counties in the united states in doing so the article makes three important contributions to the literature first it develops a comprehensive pollution index based on environmental protection agency methodologies which contrasts with previous studies that rely on partial measures based only on surplus nitrogen stemming from the over application of fertilizer second the article uses a directional output distance function an approach that has not been employed previously to evaluate polluting technologies in the u s dairy sector third the article incorporates a four way error approach that accounts for unobserved county heterogeneity time invariant persistent technical efficiency time varying transient technical efficiency and a random error the results indicate that regulating greenhouse gas emissions from dairy farming would induce a 5 percentage point increase in average technical efficiency in addition the economic costs of implementing this hypothetical regulatory framework exhibit significant spatial variation across counties in the united states

environmental regulations and productivity growth the case of fossil fueled electric power generation this paper measures and analyzes the effect of sulfur dioxide emission restrictions on the rate of productivity growth in the electric power industry over the 1973 79 business cycle a firm specific measure of regulatory intensity is developed which depends on the severity of the emission standard the extent of enforcement and the unconstrained emission rate relevant to each utility the results indicate that emission regulations result in significantly higher generating costs primarily from the increased use of low sulfur fuels the average rate of productivity growth was reduced by 0 59 percentage points per year for constrained utilities

the costs of water pollution regulation in the pulp and paper industry this paper studies plant level data on actual and permitted levels of water pollution emissions for the pulp and paper industry there is widespread and substantial overcompliance with the relevant regulations aggregate bod emissions in 1992 were only 50 of the amount allowed overcompliance appears to imply a zero marginal abatement cost and its prevalence therefore has the potential to substantially change the debate over the costs of regulation we show instead that plants incurred substantial costs to overcomply marginal abatement costs were roughly 13 000 ton in 1992 we discuss possible explanations for costly overcompliance and their implications for estimation

does schooling cause growth a number of economists find that growth and schooling are highly correlated across countries a model is examined in which the ability to build on the human capital of one s elders plays an important role in linking growth to schooling the model is calibrated to quantify the strength of the effect of schooling on growth by using evidence from the labor literature on mincerian returns to education the upshot is that the impact of schooling on growth explains less than one third of the empirical cross country relationship the ability of reverse causality to explain this empirical relationship is also investigated

the impacts of the clean air act on production cost and the substitution between inputs in the electric utility industry abstract the paper examines how having to comply with phase 1 of title iv of the 1990 clean air act affected production cost and the substitution between fuel and non fuel labor capital inputs phase 1 required firms to reduce their sulfur dioxide emissions enacting procedures to reduce sulfur dioxide emissions using lower sulfur content coal or other fuel sources could lead to higher cost and impact the substitution between fuel and non fuel inputs using a 1992 2000 panel of 34 u s electric utilities empirical results indicate that the procedures electric utilities enacted to comply with phase 1 contributed to small increases in both marginal cost and total cost firms having to comply with phase 1 were more willing than firms not subject to phase 1 to substitute from fuel to non fuel labor capital inputs following an increase in the price of fuel utilities subject to phase 1 that had a fuel clause were more willing than phase 1 firms without a fuel clause to substitute from non fuel inputs to fuel when the price of the non fuel input increased

rough and lonely road to prosperity a reexamination of the sources of growth in africa using bayesian model averaging this paper takes a fresh look at africa s growth experience by using the bayesian model averaging bma methodology bma enables us to consider a large number of potential explanatory variables and sort out which of these variable can effectively explain africa s growth experience posterior coefficient estimates reveal that key engines of growth in africa are substantially different from those in the rest of the world more precisely it is shown that mining primary exports and initial primary education exerted differential effect on african growth these results are examined in relation to the existing literature copyright 2008 john wiley sons ltd

greenwash vs brownwash exaggeration and undue modesty in corporate sustainability disclosure corporate greenwashing has accelerated in recent years bringing in its wake growing skepticism about corporate green claims although a theory of the drivers and deterrents of greenwashing has begun to emerge it is static in nature and does not incorporate the full range of ways in which firms can misrepresent their environmental performance our contribution is threefold first we extend the theory of organizational information disclosure to incorporate the possibility of undue modesty about a firm s environmental social and governance practices second we hypothesize about the drivers of exaggeration and undue modesty based on which of a firm s stakeholders are salient at a given point in time to do so we place the firm within a dynamic context that has largely been missing in the prior literature third we test our hypotheses using a data set that allows us to directly compare corporate green claims against actual performance results reveal that corporate output growth deregulation and low profits under deregulation significantly affect the choice between greenwashing and brownwashing the effects of growth and profits are mitigated by external scrutiny

natural versus manufactured capital win lose or win win a case study of the finnish pulp and paper industry abstract the effect of investments on environmental variables has been discussed through the win win rhetoric specifically in micro level analysis on the macro level the win win rhetoric has been replaced by the arguments for and against the substitutability of natural and manufactured capital here these two concepts belonging to different levels of analysis are linked by looking at the environmental and economic effects of chosen investment strategies in a traditionally capital intensive industry over time the paper shows that rather than generalise the existence of win win situations or the substitutability of capital these positions are determined by purely situational factors as a result in the assessment of substitutability the specific operating context of the industry needs to be taken into account this implies also that environmental policy needs to be designed to be adaptive and responsive to those situational factors to create beneficial outcomes for the economy and for the environment

measurement methods for technological change embodied in inputs abstract this paper shows how unmeasured quality change embodied in purchased materials input may be estimated as part of a cost function model the methods presented simultaneously incorporate quality adjusted price and quantity of the materials input into the model

separability test for the electricity supply industry this paper examines the vertical integration issue of the electricity industry this industry is typically vertically integrated and heavily regulated the paper investigates the potential technological efficiency loss due to the vertical disintegration using the translog production function three separability hypotheses using the allen uzawa elasticity of substitution are tested to examine the feasibility of various degrees of disintegration of the current industry structure all three separability hypotheses are rejected and the cost of disintegration is estimated further estimates indicate that the electricity industry appears to have exhausted economies of scale unlike other deregulated industries disintegration of the electricity industry will entail technological efficiency loss

the impact of pollution abatement investment on productivity change anempirical comparison of the u s germany and canada since environmental quality became an important focus of government regulations in most industrialized countries in the early 1970s many researchers have assessed the impact of these regulations on economic performance for example leontief and ford 11 and pasurka 15 investigated the impact that environmental protection costs had on prices in the u s walter 24 calculated the effect of pollution abatement expenditures on u s trade and robinson 19 measured the distributional impact of the burden of industrial pollution abatement a related issue involves the productivity consequences of environmental regulations in this paper we address this issue by considering the impact of pollution abatement investment on productivity growth

export performance and productivity growth the case of taiwan the hypothesis that rapid growth of exports accelerates economic growth has been widely discussed and tested the empirical evidence that supports the hypothesis includes studies by m michaely b balassa p heller and r porter w tyler g feder r kavoussi and r ram using macrodata and m nishimizu and s robinson using two digit industry level data feder found that exports contribute to economic growth because the export sector is not only more productive than the nonexport sector but also generates some external effects that enhance the productivity of the nonexport sector as exports expand both the resource reallocation effect and externality effect lead to an economy wide productivity increase nishimizu and robinson also found the existence of a significant correlation between productivity growth and export expansion on a theoretical level there are at least two interpretations of the correlation between productivity growth and export expansion one stresses scale economies the other stresses competitive forces the scale economies argument emphasizes the benefits that can be derived by means of expanding the scale of operations in the case of countries whose domestic markets are small in size exporting becomes an essential part of achieving scale economies j bhagwati considered scale economies to be a plausible explanation for the superiority of the export promotion trade strategy as opposed to the import substitution trade strategy but warned against the lack of convincing evidence 2 the study by j kwon on the korean manufacturing industry also found that scale economies are a main factor contributing to total fac

estimating a structural search model the transition from school to work this paper presents a finite horizon search model that is econometrically implemented using all of the restrictions impli ed by the theory following a sample of male high school graduates fr om the youth cohort of the national longitudinal surveys from graduat ion to employment search parameters are estimated reservation wages and offer probabilities are estimated to be quite low simulations a re performed of the impact of changing the parameters on the expected duration of unemployment copyright 1987 by the econometric society

multilateral productivity comparisons when some outputs are undesirable a nonparametric approach multilateral productivity comparisons of firms producing multiple outputs some of which are undesirable are obtained by making two modifications to the standard farrell approach to efficiency measurement the restriction that production technology satisfy strong disposability of outputs is relaxed to allow for the fact that undesirable outputs may be freely disposable and the efficiency measures are modified to allow for an asymmetric treatment of desirable and undesirable outputs performance measures that satisfy these requirements are calculated as solutions to programming problems the methodology is applied to a sample of mills producing paper and pollutants

input measurement and productivity growth in japanese and u s manufacturing in their article in this review j r norsworthy and david h malmquist 1983 have presented interesting comparisons of productivity growth in the japanese and u s manufacturing sectors their paper starts with the discussion of whether the conventional value added or gnp measurement of output is an appropriate framework for productivity analysis some confusion frequently arises as to whether a production function should be structured on the basis of gross output or value added output separability is a pivotal concept in the analysis of production structures especially in relation to the existence of a real value added aggregate it is well known that there are two types of separability which pertain to the existence of a real value added function weak local separability and strong partial separability the practical advantage of distinguishing these two different forms of separability is that the double deflation method in conventional gnp accounting is justified only when strong partial separability holds using the approximate separability tests of michael denny and melvyn fuss 1977 norsworthy and malmquist have shown that a value added aggregate does not exist in either u s or japanese manufacturing and they conclude that the appropriate output measure for joint investigation of both countries for purposes of productivity analysis is gross output p 953 the purpose of this comment is to indicate some deficiencies in norsworthy and malmquist s analysis in particular it will be demonstrated that the conditions for weak local and strong partial separability in norsworthy and malmquist s paper are incorrectly formulated and as a consequence their findings may not be used as conclusive evidence that a gross output measure is an appropriate basis for the analysis of capital labor substitutability and productivity growth in japan and the united states

the impact of regulatory reforms on cost structure ownership and competition in indian banking this paper evaluates the impact of financial sector reforms on the cost structure characteristics and on the ownership cost efficiency relationship in indian banking it also examines the impact of reforms on the dynamics of competition in the lending market we find evidence that deregulation improves banks performance and fosters competition in the lending market results suggest technological progress once indian commercial banks have adjusted to the new regulatory environment this however does not translate in efficiency gains there is also evidence of an ownership effect on the level and pattern of efficiency change finally competition keeps building pace even in the re regulation period and technological improvements are not hampered by the tightening of prudential norms

do exogenous shocks better leverage the benefits of technological change in the staged elimination of differential environmental regulations evidence from china s cement industry before and after the 2008 great sichuan earthquake abstract technological modernization is crucial for productivity and environmental management and has profound implications for china where both overproduction and industrial pollution are serious issues this study reports empirical results for existing cement plants in sichuan province in china capturing changes in productivity and environmental performance between 2007 and 2010 during this time period as the moratorium period of differential environmental regulations came to an end certain existing plants modernized their production processes after the great sichuan earthquake in 2008 using primary data and the directional distant function approach this study investigates the financial and environmental benefits of technological modernization by examining improvements in productivity and environmental performance we find that the decision to modernize by changing the production process from conventional vertical shaft kilns vsks to modern dry rotary kilns as part of a cleaner production strategy yields significant savings in pollution abatement costs without compromising production efficiency we compare this modernization strategy to a reference strategy whereby firms continued to use vsk technology and invested in end of pipe technology to satisfy stricter environmental regulations we find that the environmental benefits of technological modernization are approximately three times greater than the non environmental financial benefits when environmental benefits are considered the payback period is significantly reduced going from 8 97 years to 2 26 years

productivity growth and environmental regulation in mexican and u s food manufacturing many argued during the nafta debate that trade liberalization would favor mexican over u s food processors especially because of lax environmental laws south of the border we find through an examination of profit functions that productivity growth in mexico has outstripped that in the united states suggesting free trade indeed will benefit mexican suppliers u s pollution regulations have had no impact on the profitability or productivity of u s food manufacturing in contrast mexico s swiftly rising environmental standards have enhanced food processors productivity growth corroborating the porter hypothesis pollution law therefore has favored mexican over u s food processing but for reasons few had anticipated

environmental innovations and profitability how does it pay to be green an empirical analysis on the german innovation survey much of the empirical literature analysing the relation between environmental innovation and competitiveness has focused on the question whether it pays to be green we differentiate between different types of environmental innovations which will be disentangled in those aiming at reducing the negative externalities and those allowing for efficiency increases and cost savings what we analyze is at first the extent to which these two typologies have impacts on firms profitability with opposite signs and secondly whether the motivations driving the adoption of those innovations make the difference in terms of economic gains we find empirical evidence that both the typology of environmental innovation and the driver of their adoption affect the sign of the relationship between competitiveness and environmental performance the empirical strategy is based on a sample of german firms and makes use of a merge of two waves of the mannheim innovation panel in 2011 and 2009 that allow overcoming some endogeneity issues which may arise in a cross section setting

where has all the education gone cross national data show no association between increases in human capital attributable to the rising educational attainment of the labor force and the rate of growth of output per worker this implies that the association of educational capital growth with conventional measures of total factor production is large strongly statistically significant and negative these are on average results derived from imposing a constant coefficient however the development impact of education varied widely across countries and has fallen short of expectations for three possible reasons first the institutional governance environment could have been sufficiently perverse that the accumulation of educational capital lowered economic growth second marginal returns to education could have fallen rapidly as the supply of educated labor expanded while demand remained stagnant third educational quality could have been so low that years of schooling created no human capital the extent and mix of these three phenomena vary from country to country in explaining the actual economic impact of education or the lack thereof

the impact of consumer credit access on unemployment unemployed households access to unsecured revolving credit more than tripled over the last three decades this article analyses how both cyclical fluctuations and trend increases in credit access impact the business cycle the main quantitative result is that credit expansions and contractions have contributed to moderately deeper and more protracted recessions over the last 40 years as more individuals obtained credit from 1977 to 2010 cyclical credit fluctuations affected a larger share of the population and became more important determinants of employment dynamics even though business cycles are more volatile newborns strictly prefer to live in the economy with growing but fluctuating access to credit markets

the contribution of education to economic growth a review of the evidence with special attention and an application to sub saharan africa summary this paper examines recent studies that estimate the impact of education on economic growth it explains why cross country regressions face formidable econometric problems recent studies are reviewed some show strong impacts of education on economic growth others show little effect all have multiple estimation problems which may explain their divergent results evidence shows that education quality in sub saharan africa is much lower than in other developing countries estimates from three influential studies are extended the results suggest that the impact of education on economic growth in sub saharan africa is lower than in other countries likely due to lower school quality

voluntary compliance with market based environmental policy evidence from the u s acid rain program the u s acid rain program implemented a nationwide market for electric utilities sulfur dioxide so2 emissions and included voluntary compliance possibilities for nonaffected sources i observe significant voluntary participation albeit with small impact on the so2 market mostly from sources with counterfactual emissions below their allowance allocations an ex post analysis suggests that costs from the resulting higher emissions outweigh savings from shifts in emissions reductions from high cost affected sources to low cost nonaffected sources further utilities voluntary participation is well explained by economic variables which provides new evidence of cost effective compliance strategies and low transaction costs

declining labor turnover and turbulence abstract the rate of job loss has been on a secular decline for the last four decades or longer changes in demographics or industry composition do not account for the trend this paper seeks to identify the possible sources of the decline using a simple search and matching model with two types of workers experienced and inexperienced where the former type faces a risk of skill loss during unemployment the calibrated model suggests that a higher risk of skill loss during unemployment results in a lower job separation rate because workers accept lower wages in exchange for job security various other potential hypotheses are also examined

the effect of within sector upstream and downstream energy taxes on innovation and productivity the aim of this paper is to investigate the effect of environmental regulatory stringency on innovation and productivity using a panel of 8 european countries for 13 manufacturing sectors over the years 2001 2007 this research topic falls under the heading of the porter hypothesis ph of which different versions have been tested we consider both the strong and the weak versions of the ph while also adding some peculiar features to the analysis firstly we assess the role played by environmental taxes that is an instrument rarely tested as a factor which can support the ph secondly we analyse not only the effect of environmental taxes within a given sector within sector but also the role played by environmental taxes in upstream and downstream sectors in terms of input output relationships thirdly we test these relationships also indirectly by verifying whether innovation is one of the channels through which higher sectoral productivity can be achieved by imposing tighter environmental regulations our main findings suggest that downstream stringency is the most relevant driver of innovation and productivity while within sector regulations only affect productivity but not innovation moreover the effect of regulations on productivity is mostly direct while the part of the effect mediated by induced innovations as measured by patents is relevant only for what concerns downstream regulations

environmental regulation cost and industry structure changes nonstationary markov analyses are used to investigate impacts of environmental regulatory costs associated with compliance on changes in market structure in pulp and paper industries results show environmental regulation expenditures have statistically significant effects on the probabilities of capacity moving to a larger company size category so industry structure is affected by environmental regulation however counter to expectations results further show consolidation occurs with higher probability when environmental costs are falling rather than when they are rising policy analyses that presume immediate policy responses to cost changes or that industry structure is unchanged may yield time inconsistent policy conclusions

a new database on human capital stock in developing and industrial countries sources methodology and results abstract the paper describes the techniques and data adopted for the construction of a new series of estimates of the stock of education in 85 countries over 28 years 1960 1987 the series are built from enrollment data using the perpetual inventory method adjusted for mortality estimates are corrected for grade repetition among school goers and country specific drop out rates for primary and secondary students enrollment data series used start as far back as 1930 for most countries and even earlier for others this reduces the need for backward extrapolation of enrollments to provide the initial estimates of the investment inventory

why did the average duration of unemployment become so much longer there has been a substantial increase in the average duration of unemployment relative to the unemployment rate in the u s over the last 30 years we evaluate the performance of a standard job search model in explaining this phenomenon in particular we examine whether the increase in within group wage inequality and the decline in the incidence of unemployment can account for the increase in unemployment duration the results indicate that these two changes can explain a significant part of the increase over the last 30 years although the model fails to match the behavior of unemployment duration during 1980s

optimal unemployment insurance this paper considers the design of an optimal unemployment insurance system the problem is modeled as a repeated principalagent problem involving a risk averse agent the unemployed worker and a risk neutral principal which cannot monitor the agent s search effort the optimal long term contract subject to the associated incentive constraints is characterized this contract involves a replacement ratio that decreases throughout the unemployment spell and a wage tax after reemployment that under some mild regularity conditions increases with the lenght of the unemployment spell some numerical results are presented that suggest that the gains from switching to this optimal unemployment insurance scheme could be quite large the performance of this optimal contract is also compared to alternative liquidity provision mechanisms

case study evidence that direct regulation remains the main driver of industrial pollution avoidance and may benefit operational efficiency abstract environmental regulation is required to reduce industrial pollution to levels that are socially acceptable and economically efficient but there is debate over the most efficient form of such regulation typically a limited range of environmental and economic parameters are accounted for in the econometric studies that inform that debate this paper integrates evidence from two separate studies to assess a broad range of parameters related to the efficiency of industrial environmental regulation questionnaire responses from 25 italian manufacturers of building chemicals and 28 irish pharmaceutical manufacturers provided evidence on the environmental effectiveness and operational impacts of different regulatory instruments combined with extensive emissions data from irish pharmaceutical manufacturers survey results enabled a quantitative estimation of pollution avoidance specifically attributable to direct regulation the monetised social benefit of avoided pollution was found to be equal to direct compliance costs chemical manufacturers in italy and ireland stated that direct regulation is a more important driver of industrial environmental performance than economic or voluntary regulation and their responses indicated that direct compliance costs may be countered somewhat by stimulated operational improvements it was concluded that direct regulation is an effective approach for multi pollutant control in an industrial context and that the efficiency of such regulation may be underestimated in studies that do not consider the full range of pollutants and operational effects

explaining african economic performance africa has had slow growth and a massive exodus of capital in many respects it has been the most capital hostile region we review and interpret the aggregate level and microeconomic literatures to identify the key explanations for this performance there is a reasonable correspondence of the two sets of evidence pointing to four factors as being important these are a lack of openness to international trade a high risk environment a low level of social capital and poor infrastructure these problems are to a substantial extent attributable to government behaviour and the paper includes a review of the political economy literature which addresses that behaviour

additive general error models for production cost and derived demand or share systems many empirical studies of production specify a deterministic model of the firm derive the implied behavioral equations input demand or share system and then embed this system in a stochastic framework by tacking on linear error terms in contrast this paper proposes general error models gems in which the error specification is an integral part of the optimization model these models are the statistical embodiment of stigler s view that apparent observed inefficiencies reflect the investigator s ignorance of the true optimization problem additive gems are proposed and interpreted specification tests indicate that a translog additive gem is superior to the standard translog specification

differential environmental regulation effects on electric utility capital turnover and emissions this paper tests the hypothesis that differential regulations reduced the rate of capital turnover in the electric utility industry resulting in increased emissions of sulfur dioxide based on a sample of forty four privately owned electric utilities operating over the period 1969 83 the authors results indicate that 1 regulation increased the age of capital by an average of 3 29 years 24 6 percent 2 increases in the age of capital have no statistically significant impact on emissions and 3 in the absence of regulation emissions would have increased by 3 79 tons per million kwhs 34 6 percent copyright 1993 by mit press

a general index of technical change this paper outlines a procedure for estimating a general index of technical change within the context of a quite general production technology specifically when panel data are available for firms in an industry time specific dummies can be combined in a nonlinear estimation procedure to yield a general index of technical change that may be both nonneutral and scale augmenting this approach offers numerous advantages over the traditional time trend representation of technical change for example the general index can serve as the basis for analysis of the determinants of technical change results for a sample of 30 electric utilities over the period 1951 78 show that the productivity decline of the 1970s can be attributed primarily to sulphur oxide restrictions and secularly declining capacity utilization due to rapidly increasing peak load demands

the sensitivity of productivity growth measures to alternative structural and behavioral assumptions an application to electric utilities 1951 1984 this article examines the sensitivity of three alternative multifactor productivity growth estimates for the electric utility industry during the 1951 1984 period the results indicate that multifactor productivity growth estimates are quite sensitive to the relaxation of various structural and behavioral assumptions first a benchmark measure is constructed along the lines suggested by solow 1957 this residual approach produces estimates that suggest a substantial decline in firm level productivity growth after the mid 1960s prior to obtaining the second and third estimates empirical tests of the structural and behavioral assumptions underlying a firm s operation are conducted first the structural assumption of constant returns to scale is rejected and the resulting long run scale adjusted multifactor productivity growth estimates are found to be consistently less than the residual estimates second the behavioral assumption of long run equilibrium is rejected comparing the long run scale ad

economies of scale and utilization in electricity generation in kuwait cost structure of electricity generation in kuwait has been examined with specific focus on the economies of scale and utilization this has been done by estimating a translog variable cost function using time series data covering the period from 1965 to 1990 the results indicate the existence of diseconomies of scale in the generation of electricity but no economies or diseconomies of utilization

the market impact and the cost of environmental policy evidence from the swedish green car rebate we quantify the effects of the swedish gcr a program to reduce oil dependence and greenhouse gas emissions in the automobile industry we find the gcr to increase the market shares of green cars and its cost to be 109 tonco2 saved thus 5 times the price of an emission permit since the main green cars in sweden are ffvs flexible fuel vehicles which can switch between petrol gasoline and ethanol we also account for fuel choice which increases the cost of the program finally we show that consumers would have purchased ffvs regardless of the rebate provided by the gcr

technological acceleration skill transferability and the rise in residual inequality this paper provides a quantitative theory for the recent rise in residual wage inequality consistent with the empirical observation that a sizable part of this increase has a transitory nature a feature that eludes standard models based on ex ante heterogeneity in ability an acceleration in the rate of quality improvement of equipment like the one observed from the early 1970s increases the productivity quality differentials across machines jobs in a frictional labor market this force translates into higher wage dispersion even among ex ante equal workers with vintage human capital the acceleration reduces workers capacity to transfer skills from old to new machines generating a rise in the cross sectional variance of skills and therefore of wages through calibration the paper shows that this mechanism can account for 30 percent of the surge in residual inequality in the u s economy or for most of its transitory component two key implications of the theory faster within job wage growth and larger wage losses upon displacement find empirical support in the data

productivity scale economies and technical change in ontario hydro the growing importance of electric utilities in the canadian economy is reflected in the fact that the share of real domestic product attributable to this sector has increased from 2 1 in 1971 to 2 6 in 1979 with ontario hydro accounting for about one third of the output an empirical analysis of the production structure of ontario hydro reveals the degree of substitution between factor inputs and the contribution to total factor productivity growth of economies of scale capacity utilization and technical change the analysis confirms that there is a legitimate rationale to over capitalize and add more capacity in order to encourage the substitution of electricity for non renewable sources the analysis also suggests a number of steps that would improve ontario hydro s performance with both the federal and provincial governments playing a role 22 references 6 tables

pricing for the clean air evidence from chinese housing market abstract air pollution is widely believed to cause healthy risks and influence nations economic dimensions this paper investigates the impact of air pollution on housing prices in china s 286 prefectural level cities during 2005 2013 to address the endogeneity problem of pm2 5 concentrations in our regression we propose an instrument variable strategy based on ventilation coefficient the estimation results suggest that a 10 increase in pm2 5 concentrations causes a 2 4 reduction in local housing prices air pollution also hinders the progress of urbanization limits cities human capital formation and changes people s expectations of housing prices that we interpret as three potential mechanisms behind our main findings

wage differentials employer size and unemployment the unique equilibrium solution to a game in which a continuum of individual employers choose permanent wage offers and a continuum of workers search by sequentially sampling from the set of offers is characterized wage dispersion is a robust outcome provided that workers search while employed as well as when unemployed the unique nondegenerate equilibrium distribution of wage offers is constructed for three cases 1 identical workers and employers 2 identical employers and an atomless distribution of worker supply prices and 3 identical workers and an atomless distribution of job productivities copyright 1998 by economics department of the university of pennsylvania and the osaka university institute of social and economic research association

environmental innovations and firm profitability unmasking the porter hypothesis we examine impacts of different types of environmental innovations on firm profits following porter s sci am 264 4 168 1991 hypothesis that environmental regulation can improve firms competitiveness we distinguish between regulation induced and voluntary environmental innovations we find that innovations which do not improve firms resource efficiency do not provide positive returns to profitability however innovations that increase a firm s resource efficiency in terms of material or energy consumption per unit of output have a positive impact on profitability this positive result holds for both regulation induced and voluntary innovations although the effect is greater for regulation driven innovation we conclude that the porter hypothesis does not hold in general for its strong version but depends on the type of environmental innovation our findings rest on firm level data from the german part of the community innovation survey 2008 cis 2008

productivity scale economies and technical change reconsidered recently several writers have presented theoretical arguments and empirical evidence that suggests that an electric utility s long run productivity growth rate can be decomposed into a variety of factors for example gollop and roberts 12 decompose a utility s total factor productivity growth rate into three distinct components 1 technical change 2 a scale effect and 3 an environmental regulatory factor results for the 1970s indicate that declining rates of technical change and output growth coupled with increased regulatory intensity lead to a noticeable decline in the firm s long run productivity growth rate similarly nelson and wohar 15 examine the impact of technical change scale economies and rate of return regulation on an electric utility s longrun productivity growth rate evidence suggests that the technical change and scale components behaved in a manner similar to the gollop and roberts 12 findings the evidence concerning the impact of the regulatory factor was less convincing due to the difficulty in obtaining reliable estimates of the regulatory constraint parameter a common characteristic of this literature is that the firms under investigation are assumed to employ all inputs at their long run cost minimizing levels as such the productivity decomposition model is primarily concerned with distinguishing between shifts in the production function versus movements along the production structure according to caves christensen and swanson 5 a violation of the long run equilibrium assumption adds an equally important factor to the decomposition of productivity growth specifically the movement toward or away from longrun equilibrium as a consequence researchers must further distinguish between long run and short run productivity growth estimates 2 in a recent article 9 daly and rao illustrate theoretically and empirically using a long run cost function and data pertaining to ontario hydro that a firm s long run productivity growth rate can be decomposed into 1 technical change 2 non constant returns to scale and 3 a capacity

environmental regulation and environmental productivity the case of china abstract constrained by the dual mission of supporting industrial growth and reducing emissions china s traditional emission reduction oriented environmental policies unavoidably face a dilemma this study adopts the gml index to calculate china s industrial productivity by considering environmental factors in addition based on the assumption of industry heterogeneity the author examines the non linear relationship between china s environmental regulation and environmental productivity and calculated the optimal regulation environment for industries according to this study when impact of undesirable outputs pollutant emissions is considered environmental regulation and environmental productivity are positively correlated which to some degree validates the porter hypothesis at present environmental regulation has significant positive effects on clean production industries but shows a lag effect on pollution intensive industries the degree of environmental regulation and environmental productivity show an inverted u shaped relation and display three thresholds it should be noted however that the relationship between regulation and productivity may vary across industries these findings have clear policy implications rather than continually increasing the level of environmental regulation the government should establish standards for individual industries that emphasize flexibility

unemployment history and frictional wage dispersion abstract recent evidence shows that baseline search models struggle to match the observed levels of wage dispersion this paper studies a random matching search model with human capital losses during unemployment wage dispersion increases as workers accept lower wages to avoid long unemployment spells the model explains between a third and half of the observed residual wage dispersion when adding on the job search the model accounts for all of the residual wage dispersion and generates substantial dispersion even for high values of non market time the paper thus addresses the trade off between explaining frictional wage dispersion and the cyclical behavior of unemployment