corrective taxes under oligopoly with inter firm externalities pollution externalities between polluters should be taken into account in the design of corrective taxes when the externalities are substantial and or the number of polluters is large the effluent levies on these firms do not necessarily result in a deadweight loss consequently the second best tax exceeds the marginal social cost of pollution a more general rule is that the tax rate should be greater than the marginal social cost of pollution if and only if a marginal increase in the tax rate results in opposite effects on the changes of equilibrium emission level and output

double dividend effectiveness of energy tax policies and the elasticity of substitution a cge appraisal there is a considerable body of literature that has studied whether or not an adequately designed tax swap whereby an ecotax is levied and some other tax is reduced while keeping government income constant may achieve a so called double dividend that is an increase in environmental quality and an increase in overall efficiency arguments in favor and against are abundant our position is that the issue should be empirically studied starting from an actual non optimal tax system structure and by way of checking the responsiveness of equilibria to revenue neutral tax regimes under alternate scenarios regarding technological substitution with the use of a cge model we find that the most critical elasticity for achieving a double dividend is the substitution elasticity between labor and capital whereas the elasticity that would generate the highest reduction in carbon dioxide emissions is the substitution elasticity among energy goods

rural nonfarm employment and incomes in latin america overview and policy implications abstract rural nonfarm employment rnfe and incomes rnfi are crucial to latin american rural households the 11 rural household income studies in this volume reviewed in this paper use 1990s data and show that rnfi averages 40 of rural incomes rnfi and rnfe have grown quickly over the past three decades the review of evidence provided some surprising departures from traditional images of nonfarm activities of latin american rural households in terms of shares of rural incomes 1 nonfarm wage incomes exceed self employment incomes 2 rnfi far exceeds farm wage incomes 3 local rnfi far exceeds migration incomes 4 service sector rnfi far exceeds manufactures rnfi these findings suggest the need for more development program attention to wage employment in the service sector versus the traditional focus on small enterprise manufactures moreover poor households and zones tend to have higher shares in their incomes but lower absolute levels of rnfi as compared to richer households and zones the rnfe of the poor tend to be the low paid nonfarm equivalent of semi subsistence farming raising the capacity of the poor to participate in the better paid types of rnfe is crucial via employment skills training education infrastructure credit finally rnfe has grown fastest and been most poverty alleviating where there are dynamic growth motors in particular in the agricultural sector but also in tourism links to urban areas mining and forestry this means that developing rnf jobs cannot be done at the expense of programs promoting agricultural development

pathways out of poverty in lagging regions evidence from rural western china how to reduce poverty in lagging regions remains much debated and underserved with solid empirical evidence this study illustrates an empirical methodology to analyze the pathways households followed out of poverty and to explore their potential in the future using 20002004 rural household panel data from two lagging provinces of china inner mongolia and gansu it finds that rising labor productivity in agriculture has been key in understanding poverty reduction in rural lagging areas of these provinces and that it still holds much promise circular migration has also been important in gansu though less so in inner mongolia on average rural diversification has not proven to contribute much to poverty reduction and income transfers and agricultural tax abolishment have only helped at the margin the findings from these two case studies highlight that the scope for reducing poverty in rural lagging regions can still be substantial in agriculture also when nonagriculture drives national growth

environmental policy under oligopoly with endogenous market structure emission taxes under both fixed number oligopoly and endogenous market structure which are the most relevant market structures for policy issues are examined in the latter case and contrary to what is expected under imperfect competition the optimal tax could exceed marginal external damages which implies that externalities generated by oligopolistic firms could be optimally controlled by overinternalizing environmental damages under endogenous market structure a scheme consisting of a license fee and a second best underinternalizing emission tax can increase social welfare as compared to the use of a single emission tax exceeding marginal damages copyright 1995 by the editors of the scandinavian journal of economics

the effects of taxation price control and government contracts in oligopoly and monopolistic competition abstract many government contracts with or policies towards oligopolistic sectors essentially involve private firms selling a given proportion or quantity of output to the government at a fixed price p r with the remainder being sold on the open market often this is combined with consumer rationing examples include cement and sugar in india and health housing and defence in many countries the paper investigates the effects of these schemes including sales and excise taxation on prices output and household welfare under oligopoly and monopolistic competition less government control reduced may raise prices and tax shifting can be above or below 100 percent

pro competitive effects of trade reform results from a cge model of cameroon abstract how likely is trade liberalization to produce efficiency gains in the presence of imperfect competition scale economies and higher than average wages in the modern sectors all common features in developing economies these features create a potential conflict to the extent that traditional notions of comparative advantage lead us to expect that the modern sectors will be squeezed with liberalization in this paper we investigate this issue by using an applied general equilibrium model calibrated to cameroonian data under perfect competition we find that the welfare effect is a wash since the beneficial consequence of expanded imports is offset by the reduction in employment in the modern high wage sectors under imperfect competition by contrast trade liberalization produces welfare gains of the order of 1 to 2 percent of income the key is the pro competitive effect of liberalization domestic firms in the modern sectors now perceive themselves as facing a higher elasticity of demand which spurs them to increase production

family and community networks in mexico u s migration a household s decision to send migrants is based on infornation it has on the entry costs expected returns and risks of migration information and assistance flow from both family migrant networks and community migrant networks using data from a national survey of rural mexican households we show the importance of networks in both the decision to migrate and the level of migration we find that community and family networks are substitutes in assisting migration suggesting that once migration is well established in a community family networks become less important in addition the development of strong community networks erases the role of household characteristics in migration allowing those initially least favored to also participate in migration finally we show that network density at points of destination in the united states strongly affects where individuals choose to migrate

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

entrepreneurship selection and performance a meta analysis of the impact of education in developing economies this meta analytical review of empirical studies of the impact of schooling on entrepreneurship in selection and performance in developing economies looks at variations impact across specific characteristics of the studies a marginal year of schooling in developing economies raises enterprise income by an average of 5 5 percent which is close to the average return in industrial countries the return varies however by gender rural or urban residence and the share of agriculture in the economy furthermore more educated workers typically end up in wage employment and prefer nonfarm entrepreneurship to farming the education effect that separates workers into self employment and wage employment is stronger for women possibly stronger in urban areas and also stronger in the least developed economies where agriculture is more dominant and literacy rates are lower

the induced innovation hypothesis and energy saving technological change we develop a methodology for testing hicks s induced innovation hypothesis by estimating a product characteristics model of energy using consumer durables augmenting the hypothesis to allow for the ine uence of government regulations for the products we explored the evidence suggests that i the rate of overall innovation was independent of energy prices and regulations ii the direction of innovation was responsive to energy price changes for some products but not for others iii energy price changes induced changes in the subset of technically feasible models that were offered for sale iv this responsiveness increased substantially during the period after energy efficiency product labeling was required and v nonetheless a sizable portion of efficiency improvements were autonomous

evaluating generic milk promotion effectiveness with an imperfect competition model a framework is proposed for incorporating the degree of market competition in evaluating milk promotion effectiveness the imperfect competition model allows simultaneity in price and quantity with an endogenous fluid milk premium the model s usefulness is demonstrated with japanese generic milk promotion data results show a conventional exogenous price or exogenous premium model will underestimate returns to milk promotion

the economic theory of agrarian institutions introduction alternative approaches to the theory of institutions in economic development pranab bardhan rational peasants efficient institutions and a theory of rural organization methodological remarks for development economics joseph e stiglitz part 1 land and labour theories of sharecropping nirvikar singh a comparison of principal agent and bargaining solutions the case of tenancy contracts clive bell contracts with eviction in infinitely repeated principal agent relationships bhaskar dutta et al production relations in semi arid african agriculture hans binswanger et al part 2 credit and interlinked transactions rural credit markets the structure of interest rates exploitation and efficiency kaushik basu credit and agrarian class structure mukesh eswaran and ashok kotwal credit rationing tenancy productivity and the dynamics of inequality avishay braverman and joseph e stiglitz on choice among creditors and bonded labour contracts t n srinivasan some aspects of linked product and credit market contracts among risk neutral agents clive bell and t n srinivasan a note on interlinked rural economic arrangements pranab bardhan interlinkages and the pattern of competition debraj ray and kunal sengupta part 3 marketing and insurance agricultural institutions for insurance and stabilization david m newbery peasants risk aversion and the choice of marketing intermediaries and contracts a bargaining theory of equilibrium marketing contracts pinhas zusman part 4 co operatives technology and the state agricultural producer co operatives louis putterman institutional analysis of credit co operatives avishay braverman and j luis guasch agrarian structure technological innovations and the state alain de janvry et al

linkage to dynamic markets and rural territorial development in latin america summary linkage to dynamic markets is a key factor in understanding why different rural territories in latin america perform differently this paper combines two conceptual frameworks from the new economic geography and economic sociology for an in depth analysis of the mechanisms that operate in this linkage and to identify key factors that allow for inclusive economic development this analysis considers three rural territories that exemplify market linkages frequently observed in latin america where although high transaction costs and limited access to financial capital prevail other types of capital social cultural and human capital available to rural dwellers can be mobilized

can land market reform mitigate the exclusionary aspects of rapid agro export growth abstract agro export growth has been associated with land concentration and employment instability in the wake of exclusionary agro export booms land market reform has been proposed as a way to improve peasant land access through the market developing a model of the economic competitiveness of different classes of producers this paper evaluates the likely effectiveness of land market reform while the model itself gives ambiguous answers numerical simulation identifies a large gap between market price and peasants abilty to pay for land among the components of land market reform policy progressive land taxation appears unlikely to close that competitiveness gap while farm land mortgage banks appear more likely to mitigate exclusionary aspects of growth

the impact of research led agricultural productivity growth on poverty reduction in africa asia and latin america abstract twenty percent of the world s population or 1 2 billion live on less than 1 per day 70 of these are rural and 90 are in asia and sub saharan africa research led technological change in agriculture generates sufficient productivity growth to give high rates of return in africa and asia and has a substantial impact on poverty currently reducing this number by 27 million per annum whereas productivity growth in industry and services has no impact the per capita cost of poverty reduction by means of agricultural research expenditures in africa is 144 and in asia 180 or 50 cents per day but this is covered by output growth by contrast the per capita cost for the richer countries of latin america is over 11 000

an assessment of a proposed ets in australia by using the monash green model abstract using the monash green model and a database containing detailed energy sectors this paper evaluates the effects of a proposed emissions trading scheme on the australian economy and the emissions levels the simulation results indicate that the price of carbon permits has to increase from a 4 1 per tonne in 2015 through a 13 1 per tonne in 2020 to a 41 3 per tonne in 2030 to achieve a target of 28 below the 2005 level in 2030 the main buyers of permits would be the agricultural sector black coal electricity sector and brown coal electricity sector compared to the business as usual scenario australia s gdp is projected to be 0 85 lower in 2020 and 1 6 lower in 2030 household welfare measured in terms of equivalent variations will increase due to compensations provided by the government the results also lend strong support towards the transition to renewable energy the stylised model was adapted to inform the results of the full model

modeling agricultural growth multipliers agriculture s potential as an engine of third world growth depends in large part on the size of the production and consumption linkages it stimulates in rural regions current estimates of agricultural growth multipliers within rural regions vary widely not only because economic structures differ across regions but also because the array of fixed price models most commonly used embody widely differing basic assumptions among fixed price models the semi input output formulation projects the most plausible multipliers but even they overstate the magnitude of growth multipliers by 10 to 25 according to the price endogenous model developed here

taxation within cournot oligopoly abstract when the production of output causes pollution we often consider taxation as a means to reduce it this paper examines various forms of taxation to control pollution within cournot oligopoly it shows that two commonly used forms can actually increase pollution in contrast both of these forms unambiguously reduce pollution within the competitive model the paper provides conditions in terms of demand and technology that make taxation effective in the cournot oligopoly case another implication of the analysis is that outside the price taking framework asymmetry of cost functions is particularly important and deserves careful attention when we examine the effect of taxation

us dairy policy alternatives under bovine somatotropin a dynamic optimal control model is constructed to study us dairy policy alternatives under bovine somatotropin bst the results indicate that the adoption of bst might be slower than that indicated by the early surveys even if adoption is widespread the government can have the potentially large milk surplus problems under control with a combination of price support generic milk advertising and a cow buy out with bst adoption the government would set lower support prices and would increase assesment for milk advertising compared with the no bst case the higher adoption rates the lower the support prices and the higher the advertising assesments it is found that bst adoption is socially beneficial consumers gain at the expense of producers the government can however help produces by giving a larger policy weight to producers in setting the optimal levels of policy variables finally it is found that the current levels of generic advertising are too low and the allocation of advertising bet

environmental policy public finance and the labour market in a second best world abstract environmental and tax policies and the optimal provision of clean and dirty public goods are analysed within the context of a second best framework of optimal taxation households consume both clean and dirty commodities degradation of the natural environment occurs due to the consumption of dirty private and public goods but can be offset when the government engages in abatement activities increased environmental concern implies a higher dirt tax a lower tax on labour less employment more public abatement and a cleaner environment if the elasticity of substitution between private consumption commodities and leisure is large and that between clean and dirty goods is small public consumption may expand while private consumption contracts otherwise public consumption falls

generic fluid milk advertising demand expansion and supply response the case of new york city a transfer function was used to estimate the fluid milk demand equation of new york city the consumption effect of a generic fluid milk advertising program in the city was found to be positive and statistically significant the resulting higher blend price of milk was found to have a negligible effect on the subsequent supply of milk though being successful in generating positive returns on advertising it was found that a 35 reduction in the advertising expenditures would have been optimal in the marginal sense

multicriteria analysis in agricultural marketing the case of french olive oil market abstract agribusiness industries face a stiff competition originating mainly from the eu trade barrier s removal and the rapidly changing marketing environment of the single european market therefore certain need has been identified towards the development and proper utilization of updated market research tools and methodologies in the field of agricultural marketing the aim of this paper is to show the usefulness of multicriteria approach in analyzing consumer s preference data and its ability to support new product development processes by agricultural firms the paper outlines first the philosophy of agricultural marketing by emphasizing on the features which differentiate it from general marketing several methodological issues in agricultural marketing are then presented through a state of the art survey then the paper develops a consumer based methodology to support product development decisions where the key role is played to determine the preference model which explains a single consumer s ranking a decision support system summarizes the analysis on the whole set of interviewed consumers to prescribe the ideal profile of a new product and to simulate its penetration strategy into the market results from the application of the methodology to a survey data base coming from the paris olive oil market are presented finally the paper concludes with some recommendations about marketing practice in agribusiness

exploring the impacts of a carbon tax on the chinese economy using a cge model with a detailed disaggregation of energy sectors abstract this paper applies a computable general equilibrium model to investigate the impacts of a carbon tax on china s economy and carbon emissions based on china s 2010 input output table to obtain robust simulation results we further disaggregate the energy sectors into eight departments according to energy use characteristics the empirical results indicate that a moderate carbon tax would significantly reduce carbon emissions and fossil fuel energy consumption and slightly reduce the pace of economic growth however a large carbon tax has a significantly negative impact on china s economy and social welfare moreover a large carbon tax would entail marked price changes in china of the fossil fuels in use reducing coal consumption would have the greatest impact on reducing carbon emissions and the ad valorem duty rate for coal would be the highest after levying a carbon tax because it has the highest carbon emission coefficient therefore china should strive to promote clean coal technology which may be crucial to reducing carbon emissions moreover levying a carbon tax would improve the use of clean energy which would be an effective means of reducing carbon emissions therefore the chinese government should formulate the regulations for and pass a carbon tax as early as possible to achieve its carbon emission abatement target and further contribute to mitigating climate change

an evaluation of the importance of subsistence food production for assessments of poverty and policy targeting evidence from romania a representative survey of romanian households highlights the importance of subsistence food production to consumer welfare estimates of the incidence of poverty are sensitive to the valuation of subsistence production particularly for certain sub groups the characteristics of those engaged in subsistence food production are profiled and sub groups identified using a combination of factor and cluster analysis the factor analysis identifies three dimensions of indicators to characterise households rurality financial resources and time dedicated to main activity based on these factors four clusters of romanian households are identified the two poorest groups are the most rural and dependent on subsistence production and the assessment of the latter s value is most important to these groups in terms the numbers classified as poor poverty alleviation strategies for each sub group are discussed

natural resources agriculture and property rights abstract the study explores empirically forest resource and soil quality degradation under different property rights regimes in a subsistence agriculture framework the quantitative analysis is a direct test of the theoretical hypothesis of larson and bromley 1990 larson b bromley d 1990 property rights externalities and resource degradation locating the tragedy journal of development economics 33 2 that common property and private property rights may lead to similar incentives for resource protection a household model is formulated and applied empirically with data from indonesia to test rates of forest biomass and soil quality degradation under private and common property rights results show that the two regimes may equal each other by including bequest value sensitivity analysis is conducted by changing model parameters

can the public sector meet the challenge of private research commentary on falcon and fowler and pingali and traxler abstract the growth of private sector participation in agricultural research has serious implications for pro poor technology development but there are other factors that must be considered new plant varieties are not the only things standing between resource poor farmers and secure livelihoods and institutional strengthening is also necessary in addition the current state of public agricultural research is cause for concern it is not clear how many effective public private partnerships can be formed the public sector needs a much clearer definition of its targets and priorities and funding strategies for national and international agricultural research must be overhauled

credit constraints credit unions and small scale producers in guatemala abstract efficient and equitable development outcomes may depend in part on whether formal financial institutions leave low wealth producers tightly constrained in their access to credit if so can cooperative institutions efficiently relax these constraints these issues are explored using survey data gathered from 950 small scale producer households in areas of guatemala with market oriented credit unions that mobilize savings and make unsubsidized loans nonprice rationing by banks is found to be common among lower wealth households while credit unions relax credit constraints for a significant portion of those rationed by banks but not the poorest of the study households

the distributional effects of emissions taxation in brazil and their implications for climate policy abstract the emission of greenhouse gases ghg generated by human activity is a major cause of global warming and climate change there is considerable debate about the choice of the best mechanism to reduce emissions under a climate policy the aim of this paper is to measure the impact of a policy of taxing ghg emissions on the brazilian economy as a whole and on different household groups based on income levels in 2009 the following databases were used supply and use tables household budget survey national household sample survey and emissions data from the brazilian ministry of science and technology and innovation a price system from a national input output model that incorporates the intensity of ghg emissions is used as well as a consumption vector broken down into ten representative households with different income levels the main results indicate that this taxation system was slightly regressive and had a small negative impact on output there were however significant emissions reductions

myth and reality of flat tax reform micro estimates of tax evasion response and welfare effects in russia we examine the effects of russia s 2001 flat rate income tax reform on consumption income and tax evasion we use the gap between household expenditures and reported earnings as a proxy for tax e

the impact of climate change on the labor allocation empirical evidence from china abstract climate change may significantly affect the labor market by generating disproportionate damage to marginal returns to labor across sectors however this potentially important channel through which climate change may affect social welfare has not received the attention it deserves we provide the first estimate of the long term effects of climate change on the labor market based on the hedonic approach which accounts for individual long term adjustments to climate change using a panel of field survey data from 8076 working age residents in 279 rural communities in china we find that a 1 c increase from current mean temperature will reduce an average rural resident s time allocated to farm work by 7 0 increase the time allocated to off farm work by 7 8 and reduce the time allocated to leisure by 0 8 we also find differential responses to climate change across gender higher temperatures mainly shift males time from leisure to off farm work but mainly shift females time from farm work to off farm work

competitiveness and exemptions from environmental taxes in europe a number of european countries have introduced a variety of environmental taxes a common characteristic of their implementation is the inclusion of exemptions and tax relief in particular for some sectors of manufacturing industry this paper analyses the pattern and motivation of exemptions as they have developed in western european countries making clear the difference between the nominal and effective tax rates once the exemptions have been taken into account the principal motivation for exemptions relates to concern about competitiveness while particular environmentally intensive sectors may have some grounds for concern even these might be able to achieve cost effective environmental improvements such that their competitive position is not over disadvantaged while for an economy structured like the uk s an environmental tax plus rebate scheme sometimes called an ecological tax reform would be likely to yield benefits in terms of competitiveness the exemptions usually run counter to the environmental economic logic of using environmental taxes to internalise social costs and give economic signals that are based on the full costs of production and they are likely to increase the costs of achieving a given level of emission reduction with little justification for them also on the grounds of competitiveness it would therefore be undesirable on both economic and environmental grounds for them to remain a feature of the implementation of environmental taxes in the future

dynamic model of fresh fruit promotion a household production approach many studies consider the dynamic effects of commodity promotion on demand but few derive the theoretical basis for these effects in a model of optimal consumer behavior this study develops a dynamic household production model of u s fresh fruit consumption which it uses to evaluate the effectiveness of advertising and promotion expenditures by the washington apple commission estimates from a dynamic dual generalized leontief system show direct advertising to be marginally more effective than retail promotion in increasing apple sales but advertising has positive spillover effects to sales of other fruits whereas promotion reduces sales of competing products

free entry and social inefficiency our goal is to provide a simple yet general exposition of the conditions under which the number of entrants in a free entry equilibrium is excessive insufficient or optimal our analysis compares the number of firms that enter a market when there is free entry with the number that would be desired by a social planner who is unable to control the behavior of firms once they are in the market that is we consider the second best problem of choosing the welfare maximizing number of firms while we take as given their noncompetitive behavior after entry we demonstrate that the crucial conditions for establishing the presence of an entry bias can be stated quite simply in terms of the outcome of the postentry game played by entrants in contrast to previous work we do not need to model this postentry game explicitly

an assessment of optimal gas pricing in russia a cge approach domestic gas prices in russia are administratively regulated and they are substantially lower than export netback prices the administrative price regulation operates as an implicit subsidy on domestic gas consumption the russian government aims to liberalise domestic wholesale gas prices in the long term while the export netback parity is defined as a political objective it seems not to be a necessary target anymore the export netback parity is not economically rational for russia because the average export netback price of gas is higher than the marginal cost due to gazprom s market power in export gas markets an optimal domestic gas price is still not well defined this paper addresses this question by employing a comparative static single country multi sector computable generation equilibrium model cge the administrative regulation of domestic gas prices is explicitly modelled the main findings are as follows an increase in the domestic gas price provides economic efficiency gains the more elastic the export and domestic demand for gas the larger the welfare gains the optimal domestic gas price should be approximately 55 of the export netback price increasing the domestic gas price provides additional government revenues which can be used to reduce distortionary taxes on sectoral effects the structure of the russian economy shifts from energy toward non energy intensive sectors in response to an increase in the domestic gas price there is an increase in the export supply of gas furthermore an increase in the domestic gas price leads to a reduction in total co2 emissions

economy wide effects of international and russia s climate policies abstract the objectives of this paper are to analyse the economy wide effects of international climate policy on the russian economy as well as the effects of russia s climate policy on european economies our analysis is based on a general equilibrium model that includes inertias such as imperfect sectoral labour mobility and vintage capital and has a detailed depiction of the power generation sector we found that international climate policy could reduce russia s private welfare by 1 8 annually due to lower revenues from exports of fossil fuels at the sectoral level russia could gain a comparative advantage in producing energy intensive commodities and hence russia s producers of those commodities increase their production and export supplies this could result in a carbon leakage in russia eliminating implicit subsidies on domestic consumption of gas and petroleum products could reduce russia s private welfare loss by 0 6 points and eliminate the carbon leakage nevertheless eliminating implicit subsidies on gas and petroleum products might not be sufficient to achieve the pledged emission reductions by 2030 moreover this leads to an undesirable increase in coal consumption and therefore some additional climate policy such as a carbon tax or an emission trading system might be required we also found that russia s climate policy could have positive but moderate effects on the european economies in particular countries such as lithuania slovakia and hungary benefit due to decreased export prices for gas crude oil and petroleum products from russia

environmental policy and double dividend in a transitional economy abstract although the environmental benefit from implementing a climate tax is usually realized the economic dividend still remains a controversial issue warranting further research this is because the impact of an environmental policy on an economy wide system will depend on factors that differ from one region to the next in this paper we develop a static cge model for liberia that is capable of analyzing both a uniform and a partial carbon tax policy under the uniform policy instituted to ensure mitigation in the range of 20 50 an economic dividend is found for energy employment and welfare in particular energy consumption increases by between 5 and 15 5 respectively interestingly under a second best policy which exempts economically strategic sectors from the tax no economic dividend is found for all three variables this time energy use declines by between 2 and 9 these suggest that a uniform environmental tax policy is a more viable option for liberia in particular as it does not only generate economic dividend for employment and welfare it also incentivizes liberia s adoption and use of renewable energy technologies in general based on the results obtained further conditions for the feasibility of a double dividend are proposed

transboundary effects of environmental policy markets and emission leakages abstract one of many explanations for environmental kuznets curves for rich countries can be that dirty production is relocated to economies with laxer abatement regimes if this is caused by national abatement policies environmental stresses are transferred to other countries further the economic costs of national abatement policies can be shared with foreigners to some extent both through a lower demand for imports and losses of market shares for foreign competitors that produce cleaner products we quantify effects internally and abroad of a growth induced unilateral carbon tax policy in a rich open economy we find that the environmental benefits fall and the economic costs rise when a global rather than a national perspective is employed

optimal pollution taxation in a cournot duopoly it is well known that the optimal pollution tax in a competitive industry is equal to the marginal damage inflicted by the pollution it has also been shown that the optimal pollution tax on a monopoly is less than the marginal damage in this paper i derive the optimal pollution tax for a cournot duopoly if firms have different production costs the optimal tax rate may exceed the marginal damage this is so because the tax may be an effective instrument for allocating production from the less to the more efficient firm it is also shown that if one firm has a positive most preferred pollution tax the sum of consumer and producer surpluses will be declining in the tax at this level

land reform as commenced business the evidence against stopping abstract in the new paradigm institutions are long term endogenous thus the aims of land reform must be compatible with replace or substitute for initial incentives and power structures many reforms e g compulsory collectives are not redefinition of land reform is therefore needed yet the case for private land redistribution with ceilings remains the inverse relationship rests firmly on lower cost labor transactions in small farms though large but competitive transport or processing firms which enjoy lower cost capital transactions may be needed crucial is the impact of the postreform structure on livelihoods especially for the growing rural majority near landless workers new style market based reforms have potential probably best combined with old style ceilings substantial compensation with urban taxpayers sharing costs alternative off farm prospects and progressive taxes on large landholdings or bequests

carbon taxation in russia prospects for a double dividend and improved energy efficiency russia is not only one of the world s major sources of carbon based energy coal oil and gas but is also one the most intensive users of energy furthermore russia accounts for a disproportionately large share of global carbon dioxide emissions some 5 to 6 of global carbon dioxide emissions eia 2011a it has been estimated world bank 2008 that russia could reduce its use of primary energy use by 45 with consequent economic and environmental benefits high energy and carbon intensity of the russia economy is inter alia explained by low energy prices due to high export taxes as well as administrative regulation of domestic prices of gas and electricity and low environmental taxes carbon taxes are one such pigouvian tax and they would address concerns on several fronts simultaneously in the short to medium term they would inter alia lead to lower ghg emissions and encourage the diffusion of more energy efficient technologies in the longer term the increased cost of energy inputs is expected to induce technological progress in this analysis the macroeconomic and sectoral effects of carbon taxes on the russia economy are examined this analysis addresses the following objectives i to test the double dividend hypothesis under perfect and imperfect competition in output markets to analyse ii the incidence of carbon taxes iii impacts on sectoral competitiveness iv effects on income equity and v interactions of carbon taxes with other taxes a computable single country multi sector comparative static cge model is employed russland verfugt nicht nur uber einen der grosten vorrate an kohlenstoffbasierter energie wie kohle rohol und gas sondern ist auch einer der grosten energieverbraucher daruber hinaus ist russland fur einen uberproportional grosen anteil von kohlendioxid emission etwa 5 bis 6 der weltweiten kohlendioxidemission verantwortlich mit der einfuhrung einer kohlendioxidsteuer konnten gleichzeitig unterschiedliche wirkungen erzielt werden kurz und mittelfristig wurden kohlenstoffsteuern sowohl zu einer reduzierung von treibhausgasemissionen als auch zur einfuhrung von energieeffizienteren technologien fuhren langfristig wird erwartet dass hohe energiekosten den anreiz zur entwicklung und zur investition in energiesparenden technischen fortschritt erhohen die vorliegende arbeit analysiert und bewertet die makrookonomischen und sektoralen auswirkungen einer einfuhrung von kohlenstoffsteuern auf die russische wirtschaft die ziele der arbeit bestehen darin die hypothese der doppelten dividende fur den fall des vollkommenen und des unvollkommenen wettbewerbs auf gutermarkten zu uberprufen und die inzidenz einer kohlenstoffsteuer ihre auswirkungen auf die sektorale wettbewerbsfahigkeit ihre auswirkungen auf die einkommensverteilung und die interaktion von kohlenstoffsteuern mit anderen steuern zu analysieren und zu bewerten als methodischer ansatz wurde ein single country und multi sektor model gewahlt

the merits of dual pricing of russian natural gas our analysis reveals that from russia s perspective there is no economic rationale to unify the price of natural gas it sells domestically and in europe we argue that pipelines allow gazprom to segment the russian market from the european including turkey market and that russia has market power in the european market if russia were to fail to exploit this market power in its european market by selling its natural gas to europe at only full long run marginal cost plus transportation costs russia would lose between 5 billion and 7 5 billion per year almost two per cent of its gdp if instead russia were to raise its domestic prices to the prices it charges in europe russian industry would incur very large investment adjustment and unemployment costs in the short run adjustment costs that cannot be justified on the basis of comparative advantage we estimate that the efficient world price would be achieved if gazprom were to employ its optimal two part tariff the optimal two part tariff would double gazprom s annual profits in europe but it involves significant long term risks for gazprom of lost market share

sri lanka s rural non farm economy removing constraints to pro poor growth summary we use a survey of rural enterprises from sri lanka to explore characteristics of the informal non farm sector and identify obstacles to its expansion and productivity value added in this sector amounts to 80 of agricultural gdp participating households incomes are significantly higher than those of households who do not participate barriers to entry are low and the impact of non farm development on inequality modest implying a large potential contribution to growth and poverty reduction infrastructure constraints negatively affect new startups investment in and productivity of existing enterprises with small enterprises being particularly affected

green tax reform in an oligopolistic industry oecd countries reduce or eliminate certain taxes when they introduce new environmental taxes the purpose of this paper is to analyze the incidence of such green tax reform in an oligopolistic industry the paper shows that a rise in taxes could result in the expansion of the aggregate pollution in the presence of a large technology gap the paper further shows that the government loses tax revenue as a result of the green tax reform if it continues to apply the same environmental standard this implies that the government needs to raise environmental standards to keep the existing level of public spending after a green tax reform

wholesale and farm level impacts of generic advertising the case of catfish a four equation econometric model of the us catfish industry is estimated to determine the impacts of industry funded advertising on the wholesale and farm levels of the market results suggest that despite the market power held by middlemen the compaign has increased quasi rents to producers the relatively large benefit cost ratios about 13 1 however are attributed primarily to the price effects of the campaign this highlights the importance of supply response in evaluating the economic effects of industry generic advertising programmes elasticity estimates based on 1980 89 monthly data are farm level supply 0 15 wholesale level demand 1 01 farm wholsale price transmission 0 68 and advertising 0 0075

shadow prices of social capital in rural india a nonparametric approach this article studies the role of social capital on cotton production efficiency and productivity for a sample of small farms in maharashtra india using data envelopment analysis input shadow prices are computed as an indicator of the importance of social capital relative to other inputs results suggest social capital to be the input with the highest contribution to production efficiency after land the luenberger indicator is used to assess the productivity improvement associated to an investment in social capital which is found to be on the order of 12 undertaking collective production activities is found to play an important role in improving productivity this is especially relevant to agricultural households facing important economic and institutional restrictions that make it difficult to increase conventional expensive inputs

poor household participation in payments for environmental services lessons from the silvopastoral project in quindio colombia as the use of payments for environmental services pes approaches in developing countries has grown concern has arisen over the ability of poorer households to participate this paper uses data from a pes project implemented in quindio colombia to examine the extent to which poorer households that are eligible to participate are in fact able to do so the project provides a strong test of the ability of poorer households to participate in a pes program as it required participants to make substantial and complex land use changes the results show that poorer households are in fact able to participate at levels that are broadly similar to those of better off households moreover their participation was not limited to the simpler least expensive options transaction costs may be greater obstacles to the participation of poorer households than household specific constraints

induced innovation and energy prices this paper uses u s patent data from 1970 to 1994 to study the impact of energy prices on energy efficient innovations theories of technological change have focused both on demand side factors which spur innovative activity by increasing the value of new innovations and supply side factors such as scientific advancements that make new innovations possible data on demand side factors are easily obtained but data on supply side factors that influence innovation are not readily available this paper uses patent citations as a measure of the usefulness of the existing base of scientific knowledge citations to previous patents are used to construct productivity estimates which measure the usefulness of the existing stock of knowledge to inventors in a given energy field for any given year these estimates are then combined with data on demand side factors to estimate a model of induced innovation in energy technologies the results indicate that both energy prices and the supply of knowledge have strongly significant positive effects on innovation the paper concludes with a discussion of the implication of this work for environmental policy

carbon taxation and market structure a cge analysis for russia abstract russia is one of the world s major sources of carbon based energy as well as one its most intensive users introducing carbon taxes can lead to a reduction in emissions and encourage investment in energy efficiency we investigate the economic effects of carbon taxes on the russian economy under perfect competition and a cournot oligopoly in output markets the main findings are i substituting carbon taxes for labour taxes can yield a strong double dividend in russia however welfare gains strongly depend on the labour supply elasticity and elasticities of substitution between capital labour and energy ii under the assumption of a cournot oligopoly with homogenous products and symmetric firms in the markets for natural gas petroleum and chemical products metals and minerals welfare costs of the environmental tax reform can be higher than under perfect competition this is because introducing carbon taxes leads to a reduction in already sub optimal output thereby exacerbating pre existing distortions arising from imperfect competition iii furthermore increases in energy costs can result in higher mark ups in some markets because of less competition resulting from firms exit

meso economic filters along the policy chain understanding the links between policy reforms and rural poverty in latin america abstract the paper clarifies the meso economy concept by defining it as comprising both the market mechanisms and administrative procedures through which policy decisions and market signals trickle down to the household level three main bodies of literature are reviewed the policy oriented literature in which the meso economy was initially considered the transaction cost approach analyzing market and policy failures and the micro economy level of agricultural household models the paper develops a synthesis of macro meso and micro economic perspectives which focuses on the roles played by three levels of filters intervening along the policy chain implications for policy and research are drawn

environmental taxation and strategic commitment in duopoly models in this paper we address the issue of optimalenvironmental taxation under imperfect competition the problem is analysed for three different types ofduopoly models the cournot open and closed loopmodels and the stackelberg model we explicitlyanalyse the role of strategic behaviour each firm hasto make a choice of output level and of the level ofa strategic variable the choice of this strategicvariable affects both marginal cost and emissions wecompare the properties of these three duopoly models and derive and compare optimal environmental taxes weshow that whether the optimal tax is lower or higherthan marginal environmental costs depends on theinformation transmission and the effect of thestrategic variable on marginal costs in addition thedifferences in market shares and the influence of thetax on the cost structure play important roles indetermining optimal emission taxes

rural poverty in latin america determinants and exit paths abstract while rural poverty in latin america has declined over the last three decades success has been uneven across countries and rural poverty remains huge reduction in the number of rural relative to urban poor has been mainly the outcome of migration not of successful rural development we show that rural incomes are explained by the asset position of households and the characteristics of the context where assets are used given heterogeneity in asset positions and contexts many strategies to escape poverty consequently exist we identify four paths out of poverty exit agricultural pluriactive and assistance successful rural development to promote the agricultural and pluriactive paths requires a wholesale new approach based on regional development decentralization and participation agricultural technology has a role to play in these two strategies in latin america however the bulk of the benefits from technological change has been captured through indirect effects via the price of food employment creation and contributions to aggregate growth

optimal environmental taxation in the presence of other taxes general equilibrium analyses this paper examines the optimal setting of environmental taxes in economies where other distortionary taxes are present we employ analytical and numerical models to explore the degree to which in a second best economy optimal environmental tax rates differ from the rates implied by the pigovian principle according to which the optimal tax rate equals the marginal environmental damages both models indicate contrary to what several analysts have suggested that the optimal tax rate on emissions of a given pollutant is generally less than the rate supported by the pigovian principle moreover the optimal rate is lower the larger are the distortions posed by ordinary taxes numerical results indicate that previous studies may have seriously overstated the size of the optimal carbon tax by disregarding pre existing taxes this abstract was borrowed from another version of this item

optimal control of generic fluid milk advertising expenditures optimal expenditures of the new york state milk promotion program are determined for three markets spending level in new york city and albany should be reduced by about 10 while that for syracuse should be increased three times further there exists an optimal seasonal advertising pattern which reflects the seasonal pattern of the class 1 differential in addition the optimal spending level and seasonal pattern of the state promotion program depends on those of the national program thus coordination between the two promotional units is essential to achieve optimality generic dairy promotion is big business dairy farmers now invest over 200 million annually in promoting the consumption of milk and dairy products nonoptimum allocations of funds miss opportunity to achieve high returns the possibility of potential losses emphasizes the importance of understanding the economics of dairy promotion the continuing effect of advertising on sales after the original period of expenditure is aptly summarized by waugh s statement that old advertisements never die they just fade away the lingering impact of advertising suggests the use of a dynamnic setting in which to explore promotion issues thus far most of the atten

economic underdevelopment the case of a missing market for human capital abstract this paper demonstrates that the coexistence of developed and underdeveloped countries can be a stationary equilibrium in a world economy with free trade in consumption goods and physical capital an underdeveloped country is characterized by a high ratio of unskilled workers in the labor force a small stock of physical capital a low gross national product a high rate of return on human capital and a corresponding large wage differential between skilled and unskilled workers the critical assumptions are that future labor earnings cannot serve as collateral on a loan and indivisibilities in education

agricultural trade liberalization and low income countries a general equilibrium multimarket approach integrated multimarket general equilibrium models are constructed to analyze the impact on poor cereal importers of rising world prices following oecd trade liberalization archetypes contrast african countries in which cereal imports are not competitive with domestic production africa i to african and asian countries where they are competitive results show rising food import bills and exchange rate depreciation in africa i and the opposite in the other two regions policy implications include promoting agricultural exports from africa i and promoting food crops for import substitution in the other regions food aid needed to shelter the poor during the transition period is calculated

impacts of climate policy on the competitiveness of canadian industry how big and how to mitigate competitiveness concerns have been at the forefront of climate policy debates in canada particularly as a result of its high energy intensity and significant exposure to international markets this paper uses a dynamic computable general equilibrium model to assess the likely impacts on sectoral competitiveness that would accompany efforts to meet greenhouse gas mitigation targets that have been set by the canadian government additionally it evaluates several design mechanisms that could be used to reduce the negative competiveness impacts associated with adoption of domestic climate policies the analysis suggests that several sectors would likely face significant competiveness challenges under a reference scenario in which permits are given to emitters in lump sum however it finds that competiveness impacts can be minimized by using output based recycling of permits or by using border tax adjustments

level playing fields and laissez faire postliberal development strategy in inegalitarian agrarian economies focusing on the rural sector in latin america this paper explores the microeconomic linkages between distribution and growth which drive the possible reproduction of rural poverty over time the result of this exploration is a neostructuralist perspective which argues that actually existing laissez faire agrarian economies do not present a level playing field and that low wealth farms face disadvantages which tend to reproduce or even deepen sectoral inequality the paper then tries to identify the sorts of public policy and collective action which might modify the nature of growth and distribution in post liberalization agrarian market economy

effectiveness of fluid milk advertising since the dairy and tobacco adjustment act of 1983 an econometric model pooling monthly cross sectional and time series data is estimated to measure the impact of national and regional generic fluid milk advertising the estimated model shows that the effectiveness of advertising has increased since the implementation of the dairy adjustment act gains in fluid milk sales attributed to milk advertising are estimated sales gains for both the pre and post act periods are shown along with the gains associated with parameter changes in the post act periods marginal advertising responses are derived

behavioural and material determinants of production relations in agriculture in this essay we develop a framework for analysing the major institutions governing the production and exchange of output and the primary factors of production in rural areas the analysis incorporates general considerations of risk and information constraints jointly with the principal material attributes of agriculture and of agricultural production factors the framework is used to analyse barriers to the existence of the major intertemporal and factor markets it is applied specifically to land scarce environments for which it provides an internally consistent explanation for many of the well documented institutional features of such settings in addition the analysis provides new implications for among other phenomena the inter relationships among ownership holdings operational scale family size and factor productivity for the scarcity of animal rental markets and use of animals as collateral for the renting out of land by small landowners and for the existence of plantations for certain crops

the energy efficiency gap what does it mean abstract as renewed attention has been given by policy makers to energy conservation issues it has frequently been asserted that an energy efficiency gap exists between actual and optimal energy use the critical questions is how to define the optimal level of energy efficiency this paper seeks to disentangle some confusing strands of argument that are frequently brought to bear on this question by identifying the major conceptual issues that determine the set of feasible answers we identify five separate and distinct notions of optimality the economists economic potential the technologists economic potential hypothetical potential the narrow social optimum and the true social optimum each of these has associated with it a corresponding definition of the energy efficiency gap our analysis demonstrates that necessary preconditions for identifying the right measure of the energy efficiency gap include understanding and disentangling market failure and non market failure explanations for the gradual diffusion of energy efficient technologies

distributional effects of higher natural gas prices in russia abstract this paper analyses the distributional effects of eliminating the implicit subsidy on natural gas consumption in russia the analysis is based on a computable general equilibrium model with multiple households and a detailed power generation sector it is found that using additional government revenues from higher domestic gas prices to increase the income of low and middle income households could improve the welfare of these households and alleviate income inequality in russia e g total private consumption of the poorest decile could increase by 3 nevertheless the most efficient revenue recycling policy would be to invest in the energy efficiency of buildings which have the largest energy savings potential in russia in the long term investing in the energy efficiency of buildings could reduce greenhouse gas emissions by 240 million tonnes of co2 equivalent per year and increase the welfare of low and middle income households e g total private consumption of the poorest decile increases by 1 it is also found that increasing the regulated domestic gas price could lead to windfall profits for non gazprom producers hence to increase government revenues the gas price reform could be supplemented by an increase in the capital income tax in the gas sector

can high inequality developing countries escape absolute poverty do the poor face the same prospects for escaping poverty in high inequality developing countries as in low inequality countries is it possible for inequality to be so great as to stifle prospects of reducing absolute poverty even when other initial conditions and policies are favorable to growth household survey data for developing countries suggest that initial distribution does affect how much the poor share in rising average incomes higher initial inequality tends to reduce growth s impact on absolute poverty by the same token higher inequality diminishes the adverse impact on the poor of general economic contraction combining this evidence with that from recent investigations of inequality s effect on growth the author finds that if inequality is high enough countries that would have very good growth prospects at low levels of inequality may see little or no overall growth and little progress in reducing poverty or even a worsening on both counts the data the author uses suggest that such cases do occur the precision with which key parameters have been estimated makes it difficult to say with confidence how common such cases are but they appear to be in the minority what appear to be the best available estimates suggest that about one fifth of the spells between surveys he analyzed were cases in which poverty was rising yet positive growth in the mean and hence falling poverty is predicted at zero inequality inequality can be high enough to result in rising poverty despite good underlying growth prospects

towards a national ets in china cap setting and model mechanisms abstract china is moving from regional emissions trading schemes etss to a nation wide ets although a larger ets will be more efficient the literature warns that it could make net permit selling regions worse off we use a cge model to simulate the linking of two provincial etss namely those of hubei and guangdong our simulations suggest a trade off between efficiency and equity as the richer regions typified by guangdong will benefit from linking but the poorer regions typified by hubei may lose this is because poorer provinces in china tend to be more emissions intensive and therefore likely to face a carbon price rise upon linking the costs of which may be only partially offset by trading if indeed trading is permitted we show this and explain why it is the case by improving on the stylized model suggested by adams and parmenter 2013 following atkinson 1970 we find that worsened equity from linking may dominate improved efficiency thus reducing aggregated welfare we advise more generous caps to be given to more emissions intensive and less developed regions if so as suggest our simulation results a pareto improvement could be attainable

carbon taxes with exemptions in an open economy a general equilibrium analysis of the german tax initiative abstract sectoral exemptions from environmental regulation are applied in many countries to avoid adverse adjustment effects in specific industries the problem with exemptions is that they can make environmental policy more costly our paper analyzes the welfare costs of exemptions in environmental policy together with the issue of unilateral carbon taxes in an open economy several countries within the eu have introduced or contemplated unilateral taxes to reduce anthropogenic co2emissions taxes which are unilaterally imposed in an open economy can have significant impacts on production and employment of energy and export intensive industries to save jobs by maintaining international competitiveness most co2taxation schemes include exemptions for energy and export intensive industries as a compromise between environmental objectives and employment in these sectors this paper shows that such compromises are costly as the tax base narrows the dead weight loss increases our calculations illustrate this point in the framework of a static general equilibrium model for west germany calibrated to 1990 data we evaluate the excess costs of exemptions as a means of saving jobs in specific industries relative to an alternative instrument a uniform carbon tax cum wage subsidy which achieves an identical level of national emissions and employment at a fraction of the cost

changing asset endowments and smallholder participation in higher value markets evidence from certified coffee producers in nicaragua this paper examines the capacities of smallholders in nicaragua to exploit new linkages to certified coffee markets following the coffee crisis data on livelihood assets were collected from 292 households which were clustered to test how differences in outcomes asset building reflect variations in initial asset endowments the results suggest that most households built particular elements of their asset base and increased their resilience to future shocks however households struggled to make effective use of the gains for intensifying their livelihoods of the least endowed households few made investments in the scale or productivity of coffee and most continued to depend heavily on subsistence production and seasonal off farm income for survival in conclusion improved market access alone even under relatively favorable market conditions and with considerable external support will have uncertain impacts on rural poverty if the underlying constraints on household assets and investments are not addressed concurrently

cash crops in developing countries the issues the facts the policies the issue of cash crops is profoundly controversial the debate uses different definitions of the term and slides across levels of analysis from the household to the international economy it also cuts across arguments crops countries and time periods this paper sets out to order the debate it deals first with definitions and taxonomy and then reviews issues connected with cash crops and a growth b distribution c food security d dependency and e the environment the paper concludes that with appropriate policies cash crops can offer a route to equitable growth