the adjustment cost model of the firm duality and productive efficiency we present the theoretical foundation for an adjustment cost technology that supports the intertemporal production decision making behavior using the directional distance function dynamic input efficiency measures are developed that can separate out the impact of variable and dynamic factors inefficiency levels an approach to implement this theory in a nonparametric fashion is developed and applied to an unbalanced panel of dutch glasshouse firms the application finds overuse of all variable inputs and overcapitalization of installations the overall dynamic efficiency gain of 16 remains possible with allocative inefficiencies indicating underinvestment in structures and installations a comparison of static and dynamic efficiency measures finds that the static overall cost inefficiency is overestimated with technical inefficiency being overstated and allocative inefficiency being understated

occupational choice and the process of development this paper models economic development as a process of institutional transformation by focusing on the interplay between agents occupational decisions and the distribution of wealth because of capital market imperfections poor agents choose working for a wage over self employment and wealthy agents become entrepreneurs who monitor workers only with sufficient inequality however will there be employment contracts otherwise there is either subsistence or self employment thus in static equilibrium the occupational structure depends on distribution since the latter is itself endogenous we demonstrate the robustness of this result by extending the model dynamically and studying examples in which initial wealth distributions have long run effects in one case the economy develops either widespread cottage industry self employment or factory production employment contracts depending on the initial distribution in the other example it develops into prosperity or stagnation

the impact of the 2008 financial crisis on dynamic productivity growth of the spanish food manufacturing industry an impulse response analysis the emergence of a financial crisis is an event that can impact the fortunes of nearly all economic agents the focus here is on the 2008 financial crisis and how firms productivity growth was impacted by this crisis in the years that followed this article focuses on dynamic productivity growth and its components using a firm level data set of spanish meat processing dairy processing and oils and fats firms the impulse response analysis shows that the impact of the crisis on dynamic productivity growth is negative and persistent in the oils and fats industry initially positive but then negative in the meat processing industry and positive in the dairy processing industry the observed magnitudes of change in indicator are between 2 and 5 for oils and fats industries and of 1 in both dairy and meat industries our analysis further confirms that firms size is an important factor in explaining how crisis impacts dynamic productivity growth and its components while we find only slight evidence regarding the firms experience in the market

asset inequality matters an assessment of the world bank s approach to poverty reduction the fight against poverty has been adopted by the multilateral development banks as their principal objective almost three decades after robert mcnamara announced that the world bank s fundamental work was to improve the lives of the poor its new president james wolfensohn has reiterated that poverty reduction is the world bank s principal purpose similarly in 1994 the inter american development bank set social progress and social equity as its central objective the emphasis in the international institutions contrasts with disappointing results in the real world although life expectancy school enrollmuent and other indicators of social wellbeing have improved dramatically across the developing world and although the proportion of the poor has declined in the last few decades the absolute number of poor people in the world has actually increased today about 1 3 billion people in less developed countries still subsist on less than 1 per day world bank 1980 1990 1996 the case of latin america is dramatic while in the 1970 s the number of poor fell it nearly doubled in the 1980 s increasing from about 80 to almost 150 million and in the last few years the number of poor now 33 percent of the total population has failed to fall despite economic recovery birdsall and londofio 1997 the contrast between the multilateral banks goals and these disappointing results suggests the need for a critical reassessment of their approach to poverty reduction in this paper we describe the approach reflected in the work of world bank economists and based on new empirical work assess its relevance for latin america

the welfare impact of land redistribution evidence from a quasi experimental initiative in malawi summary land reform may be an effective means of reducing poverty in many developing countries where policy efforts have recently embraced a decentralized market based approach to land redistribution we use household panel data combined with a quasi experimental program to assess the impact of a joint malawi world bank land program on household well being double difference and matching methods are used to address identification sources of bias results point to average positive effects on several productive outcomes of beneficiaries while no effects are found with respect to access to social services there is also evidence of heterogeneous effects by gender and inheritance systems

poverty and landownership the author studies how landownership affects labor allocation income distribution and poverty in less developed countries he focuses on three prototypes of ownership classes landlords smallholders and landless people agents are identical except for their ownership of assets on the basis of optimizing behavior they divide into urban workers in the modern sector urban workers in the informal sector agricultural laborers subsistence farmers and landlords the impact of land reform on production and poverty depends on the amount of fertile land per capita a more egalitarian distribution of landownership reduces poverty where land is scarce but not where land is abundant copyright 1992 by american economic association

measuring technical and environmental efficiency in a state contingent technology most developed countries support farming activities through policies that are tailored to meet their specific social economic and environmental objectives economic and environmental efficiency have recently become relevant targets of most of these policies whose sound implementation can be enhanced by monitoring farm performance from a multidimensional perspective this paper proposes farm level technical and environmental efficiency measures that recognize the stochastic conditions in which production takes place a state contingent framework is used to model production uncertainty an implementable representation of the technology is developed using data envelopment analysis the application focuses on a sample of catalan arable crop farms results suggest that technical efficiency is slightly lower in bad than in good growing conditions nitrogen pollution can decrease substantially more under good than bad growing conditions

can redistributive reform be achieved via market based voluntary land transfer schemes evidence and lessons from the philippines this article examines market led agrarian reform mlar and its variants in the form of voluntary land transfer schemes under the comprehensive agrarian reform program carp in the philippines analysis of mlar variants in the philippines offers a preview of what is likely to happen when the mlar model currently being pushed by the world bank is implemented in the real world not only do mlar and mlar like schemes fail to promote redistributive reform they also undermine potentially redistributive state led land reform policies

distributional effects of public education in an economy with public pensions we study how the allocation of government expenditures between two major outlays education and pay as you go social security affects human capital distribution in an economy with heterogeneous agents we consider an overlapping generations economy where the government maintains both programs and allocates tax revenues to finance them in our model human capital is one of the factors of production it is itself produced as a combined result of public inputs and private inputs parents decisions to invest time and material resources in education of their children are motivated by altruism heterogeneous in its strength across the population which leads to heterogeneity of incomes we investigate the effect of an increase in public funding for education on the human capital distribution we show that in this framework contrary to some earlier results increased spending on public education may lead to higher inequality our results depend crucially on the interaction of education funding with the social security budget and on the elasticity of substitution in the learning technology

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

credit constraint and human capital investment an empirical analysis using brazilian household budget survey abstractthis article is a first step towards understanding the relationship between credit market imperfections and inequality of opportunity in skill formation the main goal is to investigate the effects of the credit constraint on the optimal human capital decision in terms of degree of schooling taking into account the household preferences for education our starting point is a theoretical model of human capital investment decision with credit constraint following a previous model in the literature we propose a reduced form approach that estimates the relation between education decision and initial wealth in brazil our empirical analysis is conducted using data from a brazilian household budget survey pesquisa de orcamentos familiares for years 2002 2003 and 2008 2009 our results point out that education decision is in fact credit constrained the empirical results show a strong and highly significant effect of wealth on educational level of children teenagers and adults even controlling b

the effect of commodity price shocks on public lands distribution evidence from colombia abstract how do commodity shocks impact the privatization of public lands this paper examines this question through the lens of the establishment of private property rights over public lands in colombia which has had one of the western hemisphere s largest public land distribution programs during the last century using data on exogenous international coffee price shocks along with data on land suitability for coffee production as determined by agro climatic conditions and roughly 250 000 public land grants i find that coffee price increases generate more public land grants in municipalities where land is more suited to coffee production additional tests suggest that the findings are driven by the power of organized cultivators to steer the land grant process in their favor the findings shed light on the role of organized actors in the countryside extending private extension of control over public territory a phenomenon that has drastically diminished public lands and natural spaces in numerous countries over the last two centuries

determinants and consequences of land reform implementation in the philippines abstract unlike the experience of other developing countries land reform in the philippines has been successful in converting many of share tenants to land reform beneficiaries this study indicates that the implementation of land reform is positively associated with yield growth made possible by the adoption of modern seed fertilizer technology a major reason underlying such association is considered to be an increased economic interest of tenants in land reform arising from divergence of rental value of land from leasehold rent and amortization fees prescribed by law

is everything neutral in his well known analysis of the national debt robert barro introduced the notion of a dynastic family this notion has since become a standard research tool particularly in the areas of public finance and macroeconomics in this paper we critique the assumptions on which the dynastic model is predicated and argue that this framework is not a suitable abstraction in contexts in which the objective is to analyze the effects of public policies we reach this conclusion by formally considering a world in which each generation consists of a large number of distinct individuals as opposed to one representative individual we point out that family linkages form complex networks in which each individual may belong to many dynastic groupings the resulting proliferation of linkages between families gives rise to a host of neutrality results including the irrelevance of all public redistributions distortionary taxes and prices since these results are not at all descriptive of the real world we conclude

the allocation of public funds in a hierarchical educational system abstract this paper studies the dynamic effects of allocating public funds between basic and advanced education holding the size of total public education funds fixed i identify the effects of their composition on aggregate efficiency and in equality first since basic education is a prerequisite for attending advanced education there exists a lower bound on funding it allocation policies below this lower bound are strictly pareto dominated whether a corresponding lower bound on funding advanced education exists or not depends on the development stage of the economy and the size of total public funds secondly while an allocation policy favoring basic education generates the usual redistribution from top to bottom one favoring advanced education may result in reverse redistribution from bottom to top last through the inter generational link short run allocation policies may have long run effects a simple rule of thumb is that for an economy in its early development stage focusing on basic education for sufficiently long duration is the only way out of polarization and low aggregate efficiency contrary to the actual policies pursued by many of the less developed economies

growth effects of an unfunded social security system when there is altruism and human capital abstract we investigate the relationship between growth and an unfunded social security system in an overlapping generations model with joy of giving altruism where endogenous growth is driven by the accumulation of human capital we show that an unfunded social security system financed with a tax on labor income can increase growth

the limits to land reform the land acts in ireland 1870 1909 ireland experienced two great waves of land reform during the late nineteenth and early twentieth centuries land reform was a central demand of irish political factions of the time and by acceding to this demand successive british governments hoped to pacify ireland this article reconsiders the economic significance of the several irish land reform measures by examining them in the context of economic theory and by comparing them to other land reform episodes in currently developing countries and in european history the irish reforms contained little that could better the allocation of resources and so had little impact on economic efficiency even though the end result was the creation of a class of peasant proprietors operating in a free market the analysis focuses on the structure of the laws and their relation to irish institutions although we also discuss the aggregate evidence on the evolution of agricultural efficiency following the reforms moreover the irish legislation missed an important opportunity to improve smallholders access to credit some facets of the land legislation interacting with some unusual institutional features of land tenure in ireland made credit conditions worse land reform in ireland was much more a wealth redistribution program financed by britain than a serious effort to improve the efficiency of agriculture land tenure and land reform occupy central roles in both the history and historiography of the political struggles that culminated in the partition of ireland in the 1920s successive waves of irish politicians sought to harness essentially nationalist ambitions to the more mundane dissatisfactions of the irish farmer convincing the latter that economic prosperity required alterations to or complete abolition of an agrarian system

income distribution and macroeconomics this paper analyzes the role of wealth distribution in macroeconomics through investment in human capital it is shown that in the presence of credit markets imperfections and indivisibilities in investment in human capital the initial distribution of wealth affects aggregate output and investment both in the short and in the long run as there are multiple steady states this paper therefore provides an additional explanation for the persistent differences in per capita output across countries furthermore the paper shows that cross country differences in macroeconomic adjustment to aggregate shocks can be attributed among other factors to differences in wealth and income distribution across countries

new ways of looking at old issues inequality and growth abstract the paper uses new cross country data on income and asset land distribution to show that i there is a strong negative relationship between initial inequality in the asset distribution and long term growth ii inequality reduces income growth for the poor but not for the rich and iii available longitudinal data provide little support for the kuznets hypothesis policies that increase aggregate investment and facilitate acquisition of assets by the poor might thus be doubly beneficial for growth and poverty reduction

dis accords the politics of market assisted land reforms in chiapas mexico abstract in spring 2003 the world bank published a major statement on land reform policy reflecting powerful new institutional support for market assisted land reforms this article uses the case of land conflicts in chiapas mexico and their resolution through market assisted agrarian accords to critically examine this new policy current using fine grained case studies and ethnography rather than the national crossnational studies typically used to assess market assisted land reform this article finds no grounds for the foundational claim that decentralized market assisted land reforms are inherently less politicized than state led land reforms despite claims to the contrary proponents of the new policy deploy one dimensional understandings of politics and the political construction of markets that gloss the ways community and markets are highly politicized sites where actors play out multiple territorial projects

the diversity of land markets and regulations in europe and some of its causes abstractthe creation of optimal land institutions attracted renewed attention in the 1990s because of its central role in the transition process in former communist countries in the former soviet union and eastern europe and more recently because of large scale land investments in developing countries this article documents the existence of large variations in land institutions markets and regulation using current and historical data from western and eastern europe it then offers explanations for these differences and draws implications for the role and optimality of land institutions in development with special reference to the current debate on large scale land acquisitions

a multi period fuzzy portfolio optimization model with minimum transaction lots abstract in this paper we consider a multi period fuzzy portfolio optimization problem with minimum transaction lots based on possibility theory we formulate a mean semivariance portfolio selection model with the objectives of maximizing the terminal wealth and minimizing the cumulative risk over the whole investment horizon in the proposed model we take the return risk transaction costs diversification degree cardinality constraint and minimum transaction lots into consideration to reflect investor s aspiration levels for the two objectives a fuzzy decision technique is employed to transform the proposed model into a single objective mixed integer nonlinear programming problem then we design a genetic algorithm for solution finally we give an empirical application in chinese stock markets to demonstrate the idea of our model and the effectiveness of the designed algorithm

public education under capital mobility the paper considers a two country model of overlapping generations economies with intergenerational transfers motivated by altruism and investment in human capital we examine in a non stationary competitive equilibrium the optimal provision of education with and without capital market integration first we explore how regimes of education provision public private or mixed arise and how they affect the dynamics of autarkic economies second we study the effects of capital market integration in equilibrium on the optimal provision of education third we show that capital market integration enhances government intervention in the provision of public education to improve the welfare of its constituents and consider various solutions to such a competition

human capital and the reduction of inequalities an intra national analysis in italy human capital is a fundamental economic resource in the knowledge economy era and improvements in education are usually associated with both economic development and the reduction of inequality i

property rights and the political organization of agriculture we propose a general equilibrium model where the economic organization of agriculture and the political equilibrium determining the security of property rights are jointly determined in particular because the form of organization may affect the probability and distribution of benefits from future property challenges it may be shaped in anticipation of this impact property rights security may then be secured at the expense of economic efficiency the model provides a framework for understanding why in some contexts land is redistributed primarily via land sales and tenancy markets but via politics and conflict in others we test some implications of the theory using a five decade panel dataset that traces changes in the extent of tenancy and tenancy reform across 15 indian states

the use of bootstrapped malmquist indices to reassess productivity change findings an application to a sample of polish farms this article assesses the extent to which sampling variation affects findings about malmquist productivity change derived using data envelopment analysis dea in the first stage by calculating productivity indices and in the second stage by investigating the farm specific change in productivity confidence intervals for malmquist indices are constructed using simar and wilson s 1999 bootstrapping procedure the main contribution of this article is to account in the second stage for the information in the second stage provided by the first stage bootstrap the dea ses of the malmquist indices given by bootstrapping are employed in an innovative heteroscedastic panel regression using a maximum likelihood procedure the application is to a sample of 250 polish farms over the period 1996 to 2000 the confidence intervals results suggest that the second half of 1990s for polish farms was characterized not so much by productivity regress but rather by stagnation as for the determinants of farm productivi

fertility growth and public investments in children in this paper it is shown how subsidies for education and for the number of children affect economic growth fertility and welfare in an endogenous growth model with altruistic agents subsidizing education has not only a direct positive effect on growth but also an indirect positive effect on growth through reducing fertility after some finite periods future generations will gain in welfare in the education subsidy regime in contrast subsidizing the number of children increases fertility depresses growth and reduces all generations welfare

explaining international and intertemporal variations in income inequality this paper explores the propositions that income inequality is relatively stable within countries and that it varies significantly among countries a new and expanded data set provides broad support for both propositions drawing on a political economy and capital market imperfection arguments to explain the intertemporal and international variation in inequality the empirical analysis shows that the predicted variables associated with the first argument a measure of civil liberties and the initial level of secondary schooling and the second argument a measure of financial depth and the initial distribution of land are indeed important determinants of inequality this paper explores two propositions regarding income inequality they are first income inequality is relatively stable within countries and second it varies significantly across countries to illustrate note that the gini coefficient in india remained almost constant for forty years 1951 92 with mean 32 6 and standard deviation 2 0 2 in contrast the variation in gini coefficients across countries is large 61 9 in honduras in 1968 compared with 17 8 in bulgaria in 1976 if substantiated these propositions have potentially significant implications for poverty the significance of the first is obvious barring any fundamental socio political change poverty reduction will depend crucially on the rate of economic growth given this the significance of the second is that in inegalitarian economies the poor will enjoy a smaller share of any national increment in income than in more egalitarian ones drawing on a new and expanded data set on inequality deininger and squire 1996a the first of the paper s three sections conducts standard statistical tests of the two propositions the sample comprises 573 observations on the most common measure of inequality the gini coefficient for 49 developed and developing countries covering the period 1947 94 the results broadly confirm our two propositions specifically analysis of variance anova shows that about 90 of the total variance in the gini coefficients

asset smoothing consumption smoothing and the reproduction of inequality under risk and subsistence constraints abstract a growing literature asks whether low wealth agents can accumulate assets over time or whether they are trapped in poverty this paper develops a stochastic dynamic programming model with endogenous asset price risk to explore savings and portfolio decisions in a resource poor environment characterized by risk and subsistence constraints optimal portfolio strategies are found to bifurcate despite divisible assets and fully rational agents wealthier agents acquire a higher yielding portfolio and pursue conventional consumption smoothing poorer agents acquire a less remunerative portfolio and pursue asset smoothing rather than consumption smoothing asset based risk coping thus results in positive correlation between initial wealth and portfolio rate of return

simulated annealing for complex portfolio selection problems abstract this paper describes the application of a simulated annealing approach to the solution of a complex portfolio selection model the model is a mixed integer quadratic programming problem which arises when markowitz classical mean variance model is enriched with additional realistic constraints exact optimization algorithms run into difficulties in this framework and this motivates the investigation of heuristic techniques computational experiments indicate that the approach is promising for this class of problems

making land rights accessible social movements and political legal innovation in the rural philippines abstract in recent years rule of law and legal reform has grown to be a major concern of national governments international financial institutions development agencies and donor organisations part of this concern has focused on expanding access to justice for the poor however little effort has gone into understanding the role of justice sector institutions in shaping the opportunities and limits of redistributive justice little attention has been paid to the actual workings of obstacles entrenched within the justice sector to land reform for example instead pro market scholars cite difficult legal problems as a reason to turn away from state led land reform and toward market oriented land policies yet as this paper shows a closer look at the details of dynamics around land reform in the philippines suggests that political legal problems associated with implementation of the agrarian reform law can be overcome under certain conditions it is argued that for rural poor claimants it is important

primal and dual dynamic luenberger productivity indicators abstract this paper develops primal and dual versions of the dynamic luenberger productivity growth measures that are based on the dynamic directional distance function and intertemporal cost minimization respectively the empirical application focuses on panel data of dutch dairy farms over the period 1995 2005 primal dynamic luenberger productivity growth averages 1 5 percent annually in the period under investigation with technical change being the main driver of annual change dual dynamic luenberger productivity growth is 0 1 percent in the same period improvements in technical inefficiency and technical change are partly counteracted by deteriorations of allocative inefficiency with large dairy farms presenting a slightly higher productivity growth than small dairy farms

the effects of compulsory schooling on growth income distribution and welfare abstract in this paper we consider an olg model with productive capital and human capital affecting the quality of labor in each generation parents invest in their children s education but disregard its external effect on the aggregate production function government intervention in providing compulsory schooling increases economic growth along the equilibrium path while the intragenerational income distribution becomes more equal also in the long run the majority of individuals in each generation are better off due to compulsory schooling

efficiency and total factor productivity in ukrainian agriculture in transition this article analyzes efficiency and total factor productivity tfp change of large agricultural enterprises during their transition to a market economy in ukraine efficiency is calculated by data envelopment analysis and productivity change is measured by the malmquist productivity change index in the period between 1990 and 1999 on average tfp declined by 6 annually dropping a total 42 the main reason for the observed tfp decline is a decrease in technical efficiency which is found to be remarkably significant at the same time there is a high variation among individual enterprises the distribution of efficiency scores widens which indicates that the farms diverge with respect to their economic performance a tobit regression analysis is conducted in which efficiency scores are related to factors such as farm type farm size initial conditions and legal form

fuzzy multi period portfolio selection with different investment horizons abstract this paper considers a fuzzy multi period portfolio selection problem with v shaped transaction cost compared with the traditional studies assuming that assets have the same investment horizon we handle the practical but complicated situation in which assets have different investment horizons within the framework of credibility theory a mean variance model is formulated with the objective of maximizing the terminal return under the total risk constraint over the whole investment alternatively a variation is given by minimizing the total risk under the terminal return constraint a fuzzy simulation based genetic algorithm fsga is designed and three numerical examples are given to illustrate the effectiveness of the proposed approach

education democracy and growth abstract this note presents a model of endogenous growth where redistribution determined by a political equilibrium is in the form of public education it is shown that there need not be a negative relationship between growth and redistribution as public education increases the level of human capital in the conomy and at the same time tends to produce a more even income distribution

public schooling college subsidies and growth abstract how does the mix of public education expenditures across primary and secondary k 12 education and post secondary college education influence economic growth to address this i build an overlapping generations endogenous growth model human capital is accumulated through compulsory k 12 education and through optional college education government uses tax revenue to provide quality in k 12 schooling and to subsidize college tuition when total expenditures are small all funds should provide k 12 quality when expenditures are above a critical value a positive share should subsidize tuition the share should increase with total expenditures and with the degree of complementarity of human capital accumulated through the two types of education also increased education spending is more likely to increase growth when a larger share subsidizes tuition

financial and legal constraints to growth does firm size matter using a unique firm level survey database covering 54 countries we investigate the effect of financial legal and corruption problems on firms growth rates whether these factors constrain growth depends on firm size it is consistently the smallest firms that are most constrained financial and institutional development weakens the constraining effects of financial legal and corruption obstacles and it is again the small firms that benefit the most there is only a weak relation between firms perception of the quality of the courts in their country and firm growth we also provide evidence that the corruption of bank officials constrains firm growth

multiperiod portfolio optimization models in stochastic markets using the mean variance approach we consider several multiperiod portfolio optimization models where the market consists of a riskless asset and several risky assets the returns in any period are random with a mean vector and a covariance matrix that depend on the prevailing economic conditions in the market during that period an important feature of our model is that the stochastic evolution of the market is described by a markov chain with perfectly observable states various models involving the safety first approach coefficient of variation and quadratic utility functions are considered where the objective functions depend only on the mean and the variance of the final wealth an auxiliary problem that generates the same efficient frontier as our formulations is solved using dynamic programming to identify optimal portfolio management policies for each problem illustrative cases are presented to demonstrate the solution procedure with an interpretation of the optimal policies

education choice endogenous growth and income distribution this paper studies an economy where parents can choose between public or private schools and can vote on taxes used to fund public schools the model is calibrated to us data and studied using simulations a bimodal income distribution emerges where public education students converge to a low income equilibrium while private education students experience endogenous growth with higher incomes however public education students experience long run growth through a spillover from private education students possible problems with the existence of a private alternative to pubic education such as the emergence of a education based class structure are identified

spatial dynamic analysis of productivity growth of agri food companies this study analyzes the spatial dynamics in productivity growth and its components for a sample of agri food companies in murcia spain over the period 2005 2014 we find that productivity growth of a company is related to productivity growth of neighboring companies in both the short and long term the marginal effects of the different factors on productivity growth are stronger in the short run rather than in the long run land characteristics and economic territorial conditions have the largest marginal effect on productivity growth and its components this study contributes to the existing literature by including spatial interactions in the analysis of productivity growth

does compulsory school attendance affect schooling and earnings we establish that season of birth is related to educational attainment because of school start age policy and compulsory school attendance laws individuals born in the beginning of the year start school at an older age and can therefore drop out after completing less schooling than individuals born near the end of the year roughly 25 percent of potential dropouts remain in school because of compulsory schooling laws we estimate the impact of compulsory schooling on earnings by using quarter of birth as an instrument for education the instrumental variables estimate of the return to education is close to the ordinary least squares estimate suggesting that there is little bias in conventional estimates every developed country in the world has a compulsory schooling requirement yet little is known about the effect these laws have on educational attainment and earnings 1 this paper exploits an unusual natural experiment to estimate the impact of compulsory schooling laws in the united states the experiment stems from the fact that children born in different months of the year start school at different ages while compulsory schooling laws generally require students to remain in school until their sixteenth or seventeenth birthday in effect the interaction of school entry requirements and compulsory schooling laws compel students born

education social security and growth abstract we study the role of government s allocation of tax revenues between two outlays public investment in education a transfer to the young generation and social security benefits to the older generation in an overlapping generations economy with pay as you go social security and altruistically motivated transfers from parents to children we analyze how the allocation of the tax revenues between the two outlays affects growth and welfare in competitive equilibria a we obtain comparative dynamics results for nonstationary equilibria subject to a change in the allocation profile b for stationary equilibria we show that for a given allocation profile of the tax revenues educational subsidies can either increase the growth rate or decrease it depending on the parameters of the model preferences production function and the tax rate c if government seeks to allocate funds in a way that maximizes the growth rate we demonstrate that under some plausible conditions it is not optimal to maintain pay as you go social security however if parents preferences combine strong concern for their retirement with significant degree of altruism towards their children then pay as you go social security system does enhance growth and welfare

the measurement and control of trading costs 1990 the measurement and control of trading costs financial analysts journal vol 46 no 6 pp 73 80

inequality as a determinant of malnutrition and unemployment policy this paper explores the policy implications that are obtained once it is recognized that at low nutrition intakes a person s productivity is an increasing function of intake in the context of a fully general equilibrium model it is shown that if aggregate assets in an economy are neither large nor small certain patterns of lorenz improving asset redistributions or nutrition transfers increase aggregate output and reduce the volume of involuntary unemployment and the incidence of undernourishment copyright 1987 by royal economic society

south african land policy the legacy of history and current options abstract the highly dualistic farm structure of south africa and the low productivity of native african farmers have been the result of systematic distortions in land allocation output markets the provision of infrastructure agricultural credit and services the dualistic structure did not emerge because of genuine economies of scale in the large commercial sector other countries in latin america and africa that once supported a dualistic farm size structure through similar distortions have either implemented large scale land reforms or have experienced decades of peasant revolts and civil war the paper compares these international experiences to south africa and outlines judicial and market assisted approaches to south african land reform

investments into education doing as the parents did abstract empirical evidence suggests that parents with higher levels of education generally attach a higher importance to the education of their children this implies an intergenerational chain transmitting the attitude towards the formation of human capital from one generation to the next we incorporate this intergenerational chain into an olg model with endogenous human capital formation in absence of any state intervention such an economy might be characterized by multiple steady states with low or high human capital levels there are also steady states where the population is permanently divided into different groups with differing human capital and welfare levels compulsory schooling is needed to overcome steady states with low human capital and welfare levels tax financed education subsidies can lead to further pareto improvements

measurement of agricultural total factor productivity growth incorporating environmental factors a nutrients balance approach this article proposes to use nutrient orientated environmental efficiency ee measures to construct a nutrient total factor productivity index ntfp since nutrient orientated ee measures are consistent with the materials balance principle ntfp index is superior to other existing tfp indexes an empirical study on the environmental performance of an agricultural sector in 30 oecd countries from 1990 to 2003 yielded several important findings first these countries should be able to produce current outputs with at least 50 less aggregate eutrophying power implying that they should have been able to substantially reduce the potential for eutrophication second traditional tfp has grown by 1 6 per annum due to technical progress however there are lags in the responses of several countries to this technical progress third environmental tfp has grown at a slower rate than traditional tfp growth due to reductions in nutrient orientated allocative efficiency finally changes in input combinations could have significantly improved environmental efficiency and productivity these findings favor policy interventions and faster technological transfer to improve environmental performance

the compelling effects of compulsory schooling evidence from canada abstract compulsory school laws have existed for more than a hundred years and policies to mandate further education continue to be discussed the implications of these laws however are not well understood historical changes to compulsory schooling in canada permit an examination of their effects on would be dropouts under very different circumstances than those during changes in other countries mandating education substantially increased adult income and substantially decreased the likelihood of being below the low income cut off unemployed and in a manual occupation these findings suggest significant gains from this legislation which seem unlikely offset by the costs incurred while having to remain in school jel classification i20 i28

investment age and dynamic productivity growth in the spanish food processing industry this article analyzes the relation between investment age measured as the number of years since investment spike and dynamic productivity growth and its components which include dynamic technical change dynamic inefficiency change and dynamic scale inefficiency change the empirical application focuses on firm level data for the spanish food processing industry covering the period from 1996 to 2011 this investigation of the impact of firms investment decisions on productivity growth employs a dynamic production framework and analyzes the impact of these decisions on the components of dynamic productivity growth our findings show that dynamic productivity growth is negatively affected by investment spikes in both the meat processing and oils and fats industries and that dynamic inefficiency change initially falls just after the infusion of large investment for oils and fats firms but then grows as the firms acquire experience with this investment we further find that investment spikes lead to improvements in dynamic technical change and worsening in dynamic technical inefficiency change in the meat processing industry while dynamic scale inefficiency change was negatively impacted in both industries

growth is good for whom when how economic growth and poverty reduction in exceptional cases summary economic growth and liberal economic policies often help the poor but what about the numerous cases in which they do not this article analyzes two types of cases those in which income growth of the poor was significantly lower than expectations negative exceptions and those in which income growth of the poor significantly exceeded expectations positive exceptions insights from these cases inform our theoretical understanding of poverty reduction in addition this article contributes a typology of strategies used in these cases including alternative pathways to economic growth and neoliberal prescriptions for poverty reduction

intergenerational transfers production and income distribution abstract we consider an overlapping generations economy where the aggregative production process uses physical capital and human capital intergenerational transfers from parents to their children are motivated by altruism we distinguish between two types of transfers investment of parents in the education of their offspring and capital transfer the gift bequest motive we show that the intensity of each type of altruism and hence the composition of the two types of transfers affect significantly the equilibrium output and the intragenerational income distributions comparing competitive equilibria from the same initial distributions of capital transfers and human capital we derive a the economy with the higher education inclined altruism attains lower output and more equal intragenerational income distributions if either the production function s elasticity of substitution is not large or the altruism is weak b for more bequest inclined altruism the effects are usually reversed c under public provision of education higher bequest inclined altruism results in lower output and less equal distribution of income in all dates

public education and redistribution when talents are mismatched in democratic countries elected policymakers determine public spending the level of public spending depends on taxes that are decided by a voting mechanism policymakers also decide how to allocate funds among different policies such as public education and pure redistributive transfers how are the levels of funding for public education and redistribution determined in the political process what impacts do votes on these two policies have on inequality growth and social mobility we develop a politico economic model that highlights a novel mechanism public education provides opportunities for the children of the poor to be recognized for their talent this reduces the probability of a mismatch which takes place when individuals with low talent who come from rich families find jobs that should go to people with high talent and vice versa hence the poor may prefer public spending on education to direct redistribution while the rich prefer redistribution as education implies more competition for good jobs from the poor

an integrated view of tests of rationality market efficiency and the short run neutrality of monetary policy abstract this paper analyzes an important class of models in which expectations play an important role topics included in the analysis are tests of 1 rationality of forecasts in either market or survey data 2 capital market efficiency 3 the short run neutrality of monetary policy and 4 granger causality in macroeconometric models the common elements of these tests are highlighted in particular cross equation tests for rationality or the short run neutrality of money are shown to be equivalent to more common regression tests in the literature these results demonstrate that the exact specification of the relevant information set used in rational forecasts is not necessary for the cross equation tests to have desirable asymptotic properties also discussed are the conditions for identification of coefficients and testability of hypotheses

a study in resistance to institutional change the lost game of latin american land reform abstract this paper seeks an explanation of the limited success of land reforms in redistributing land in latin america during the 1960s and 1970s in spite of their widespread implementation a rational choice model of farmer behavior incorporating transaction costs on labor and credit and a game theoretical approach between landlords and the state are used for that purpose we show that land reform failed to be redistributive because it sought to first modernize large farms which allowed landlords to reinforce their power over the state this in turn enabled them either to obtain credible commitments of nonexpropriation if they would modernize or to successfully use rent seeking to externalize the cost of modernization and make expropriation with compensation no longer feasible

evaluating spatial and temporal variation in agricultural output elasticities in turkey this study evaluates spatial variation in the relationship between agricultural output and input use across turkey the potential impact of the national agricultural policy reform introduced in 2001 on the spatial variation in agricultural output elasticities across the country was explored by applying a spatial production function to the province level data in 2000 and 2007 spatial heterogeneity in the variance of provincial total factor productivity and the input factor output elasticities was identified across the country results show that the disparities in agricultural activities and geographic conditions affected return from input factors empirical findings from a spatial spillover model also suggest that changes in the input factor output elasticities varied significantly across turkey between 2000 and 2007 after the policy reform results suggest that future policy reform that recognizes regional comparative advantage through understanding the geographic heterogeneity of the agricultural sector is important for enhancing turkey s agricultural output

endogenous determination of public budget allocation across education stages abstract this paper studies the endogenous determination of public budget allocation across hierarchical education stages in less developed economies the top class has dominant political power to implement its most preferred policy which is characterized by exclusive participation and large schooling expenditure at higher education at the expense of basic education in developed economies the budget allocation is more balanced under certain parameters it leads to expanded participation of the middle class in higher education the model offers an explanation to the observed cross country policy difference and is broadly consistent with historical evidence

rural wages labor supply and land reform a theoretical and empirical analysis land reform is one of the most mentioned of the theoretical policy instruments discussed in the development literature yet relatively little attention has been paid to the wage rate consequences of such a program despite the fact that perhaps more than one half of rural families in a developing country receive a substantial proportion of their income from wage earnings in agriculture one reason for this lacuna may be that the determination of wages and family labor supply in the agricultural sector of ldcs has also been somewhat neglected particularly in the context of a heterogeneous labor force 2 the subsistence or institutional wage models of w arthur lewis john fei and gustav ranis and gerald rodgers for instance offer no theory of how rural wage levels or differentials are set and thus provide little guidance on how wage rates would be affected by changes in land ownership patterns more recently pranab bardhan and t n srinivasan david newbery and clive bell and pinhas zusman who formulate general equilibrium market or bargaining models determining endogenously the rental share paid by tenant sharecroppers have assumed that agricultural wage rates are exogenous or determined only by nonagricultural factors all of these models assume that rural labor is homogeneous another reason why the potential wage impact of a land reform program may have received little attention is that models of peasant family behavior such as those of a k sen dipak mazumdar and robert mabro typically embody two restrictive assumptions which would tend to make the equalization of landholdings appear wage augmenting although this implication has never been formally derived these assumptions are that 1 agriculture is dualistic with small farm families facing lower shadow prices of labor leisure than large farm landlords because of impediments to labor mobility and 2 agricultural households are dichotomous small farmers employ family labor and maximize utility while large farms only utilize wage labor and maximize profits data from a 1970 71 allindia survey of over 5 000 households collected by the national council of applied economic research3 indicate however that almost all cultivator households large and small participate actively in the labor market as either buyers or sellers of labor services with almost 88 percent of households cultivating a gross cropped area less than 1 5 acres utilizing some hired labor seventynine percent of these small farm households associate professor yale ujniversity the research embodied in this paper was supported in part by a grant from the ford and rockefeller foundations program in support of social science and legal research on population policy and with funds from the u s agency for international development under order no aid otr 1432 helpful suggestions and comments were provided by james l mccabe mark gersovitz an anonymous referee the managing editor and members of the economic growth center yale university i am also grateful to the members of the research program in development studies princeton university for the use of their facilities research assistance was provided by james devine anne morgan and roberta robson inotable exceptions are r albert berry mark gersovitz and m a rahman all of these authors however employ geometric analyses with differing assumptions leading to wholly different predictions regarding wage effects none consider the heterogeneity of agricultural labor pay attention to questions of stability or attempt to apply their models to data 2lnformation on the differential impact of alternative agricultural policies including land reform on sex or age specific wage rates is not only important in settling income distribution and equity issues but as suggested in an article by the author and robert evenson may have significant implications for population growth and schooling as well 3for a more detailed discussion of these data see the author

precautionary saving credit constraints and irreversible investment theory and evidence from serniarid india this article investigates the extent to which poor households are discouraged from making a non divisible but profitable investment using data on irrigation wells in india we estimate the parameters of a structural model of irreversible investment results show that poor farmers fail to undertake a profitable investment that they could in principle self finance because the nondivisibility of the investment puts it out of their reach irreversibility constitutes an additional disincentive to invest simulations show that the availability of credit can dramatically increase investment in irrigation and that interest rate subsidization has little impact

portfolio rebalancing model with transaction costs based on fuzzy decision theory the fuzzy set is one of the powerful tools used to describe an uncertain environment as well as quantifying any potential return and risk portfolio liquidity is taken into account and a linear programming model for portfolio rebalancing with transaction costs is proposed the level of return that an investor might aspire to the risk and the liquidity of portfolio are vague in an uncertain financial environment considering them as fuzzy numbers we propose a portfolio rebalancing model with transaction costs based on fuzzy decision theory an example is given to illustrate the behavior of the proposed model using real data from the shanghai stock exchange

an analytic derivation of admissible efficient frontier with borrowing the admissible efficient portfolio selection problem for risky assets has been discussed by zhang and nie in this paper the admissible efficient portfolio model is proposed under the assumption that there exists the borrowing money or a risk free asset case the admissible efficient frontiers are developed by the spreads of expected return and risk from admissible errors the analytic forms of the admissible efficient frontiers when short sales are not allowed on all risky assets are derived from two cases the borrowing with an upper bound constraint or without an upper bound constraint the influence on the admissible efficient frontier is explained under the different interest rates of the borrowing the differences between the results with the borrowing and the results without the borrowing is revealed by a real numerical example

a possibilistic mean semivariance entropy model for multi period portfolio selection with transaction costs abstract this paper deals with a multi period portfolio selection problem with fuzzy returns a possibilistic mean semivariance entropy model for multi period portfolio selection is presented by taking into account four criteria viz return risk transaction cost and diversification degree of portfolio in the proposed model the return level is quantified by the possibilistic mean value of return the risk level is characterized by the lower possibilistic semivariance of return and the diversification degree of portfolio is measured by the originally presented possibilistic entropy furthermore a hybrid intelligent algorithm is designed to obtain the optimal portfolio strategy finally the comparison analysis between the possibilistic entropy model and the proportion entropy model is provided by two numerical examples to illustrate the efficiency of the proposed approaches and the designed algorithm

honey i shrunk the kids benefits revisiting intergenerational conflict in oecd countries intergenerational conflict may arise when the interests of different age groups do not align we examine cross country data to find evidence for this conflict in oecd countries we derive our results from a fgls estimation model which is complemented by a system gmm estimation to account for potential endogeneity the data are from a panel of 22 oecd countries over the time period 1985 2005 we find little support for intergenerational conflict in general however those who are close to statutory retirement age dislike public expenditure on families and education because once they retire they will have less income compared to their work income this effect is transitory however implying a change in voting behavior during retirement age

spatial disparities in the european agriculture a regional analysis this article examines the territorial imbalances in european agriculture during the period 1980 to 2001 by means of the information provided by various methodological instruments which allow us to overcome the drawbacks of conventional convergence analysis the results obtained reveal that the regional distribution of productivity in the agricultural sector is characterized by the presence of positive spatial dependence this fact implies that the european regions in close spatial proximity register similar levels of the variable under study which highlights the relevance of geographical location in this context the empirical evidence presented also shows that regional disparities have remained almost constant during the time interval considered however the increase in density around the european average explains the observed reduction in the degree of bipolarization while intra distribution mobility is relatively limited finally the analysis carried out allows us to assess the role of variables s

rural organization and land reform in brazil the role of nonagricultural benefits of landholding abstract this article examines the effects of nonagricultural land use on agrarian organization and land reform in an economy characterized by limited credit and land rental markets the nonagricultural demand for land under credit constraint generates a potential mismatch between the distribution of land and the distribution of farming skills this disparity reduces the agricultural output if the land rental market is absent a perfect land rental market is shown to determine the highest possible agricultural output policy implications from the model include in addition to market improvements the fact that small farmers rather than landless people should be the target of redistributive land reform programs

equilibrium existence in an overlapping generations model with altruistic preferences abstract we prove the existence of a competitive equilibrium in an overlapping generations model with altruistic preferences and nonnegative bequests in equilibrium some sequences of agents of successive generations may be continually linked by positive bequests and act as infinitely lived agents other sequences of agents may not be so linked and therefore behave as sequences of finite lived agents thus this paper adds to the literature on competitive equilibrium in dynamic models by endogenising the mix of finite and infinitely lived agents we also discuss optimality and provide some examples which exhibit interesting equilibria

poverty and land redistribution abstract despite a theoretical literature that promises that land transfers will have large impacts on the well being of poor households well identified empirical evidence on the efficacy of land redistribution is scarce in an effort to fill this gap this paper examines south africa s land redistribution for agricultural development lrad program we exploit features of lrad program implementation to extract exogenous variation in whether and for how long applicant households enjoyed land transfers binary treatment estimates which compare treated with untreated households show that beneficiary households on average experienced a 25 increase in per capita consumption our preferred continuous treatment estimates which analyze only the subset of treated households identify the impact time path of land transfers on consumption these estimates show that living standards initially drop and then after 3 4 years rise to 150 of their pre transfer level these results are statistically significant and robust to a statistically more conservative identification strategy

making negotiated land reform work initial experience from colombia brazil and south africa abstract the paper describes background initial experience and future challenges associated with a new negotiated approach to land reform this approach has emerged as following the end of the cold war and broad macroeconomic adjustment many countries face a second generation of reforms to address deep rooted structural problems and provide the basis for sustainable poverty reduction and economic growth it reviews possible theoretical links through credit market or political channels between asset ownership and economic performance program characteristics in each country as well as lessons for implementation and implications for monitoring and impact assessment are discussed

the impact of structural adjustment and property rights conflicts on nicaraguan agrarian reform beneficiaries abstract in nicaragua structural adjustment policies under the new government have led to sharply reduced agricultural producer credit and tighter conditions for its use along with conflicts over property rights that emerged from the sandinista era land confiscations the effect has been to speed a process of parceling and land sales among the population of agrarian reform beneficiaries which was the main recipient of redistributed lands faced with imperfect capital markets and tenure uncertainty small scale producers have resorted to distress sales of their parcels that could lead to a restratification of land ownership patterns

on the use of mean variance and quadratic approximations in implementing dynamic investment strategies a comparison of returns and investment policies this paper compares two approximation schemes for calculating the optimal portfolios in the discrete time dynamic investment model specifically the mean variance mv and the quadratic approximations to the exact power function method future returns are estimated via the empirical probability assessment approach the results show that i with quarterly revision the mv model approximates the dynamic model very well ii with annual revision there are often sharp differences between the power function model and the mv approximation and iii these differences become even larger when the quadratic approximation is used

capital markets integration growth and income distribution the paper considers a two country model of overlapping generation heterogenous economies with intergenerational transfers carried out in the form of bequest and investment in human capital we examine in competitive equilibrium the transitory and long run effects of capital markets integration first we explore how the regime of public education affects the dynamics of the integrated economy second we study the effects of capital markets integration in equilibrium on the intragenerational income distribution in both the host and investing country

household returns to land transfers in south africa a q squared analysis abstract the south african land reform programme has been widely criticised for its slow pace as well as its apparent lack of contribution to poverty reduction however there is little systematic evidence of the impact of land transfers on their beneficiaries due to data scarcity this paper combines econometric evidence based on official household surveys with qualitative data collected specifically to triangulate and complement the econometric analysis the qualitative data analysis confirms the plausibility of the econometric finding that on average beneficiaries do not gain from participation and suggests that the main reason for the disappointing impact of participation is the incompatibility of consultant led land use plans to land grantees skills

ageing fertility and growth this paper analyses the interaction between human capital accumulation fertility and labour participation of families in the presence of technology shocks altruistic families spend time on the education of their children to increase their level of human capital compensating transfers through negative bequests are blocked by an active bequest constraint productivity shocks increase the opportunity costs of children and may cause a drop in fertility which results in population ageing we investigate the effects of ageing on allocation and welfare in the presence of a pay as you go payg pension system

new perspectives on farm size and productivity abstract the farm size and productivity debate has been limited by the focus on land or labor productivity generally showing respective productivity advantages to smaller or larger sized farms our purpose is to provide new perspectives on the debate by bringing together evidence from a set of novel case studies in both rich and poor countries common to them are the adoption of total factor productivity tfp as the comparative performance measure and the reliance on panels of farm micro data the present article presents a synthesis of findings from five case studies in i malawi tanzania and uganda ii bangladesh iii brazil iv australia and v the united states the preponderance of evidence from these studies suggests that there is no single economically optimal agrarian structure rather it appears to evolve with the stage of economic development certain farm sizes face relative productivity advantages such as small farms in africa but with economic and market growth that smallholder advantage will likely attenuate moving toward constant and eventually increasing returns to size yet importantly small farms may be quite dynamic and need not be a drag on agricultural growth until perhaps well into the development process

land rights gender equality and household food security exploring the conceptual links in the case of india this paper seeks to critically examine the conceptual linkages between the issue of land rights for women with household food security on the one hand and gender equality on the other after a brief analysis of shifts in both international and national policy discourse and practice in terms of control over land as vital for food security it seeks to analyse the implications of this for gender relations the paper argues that in a context of diversified rural livelihoods the contribution of agricultural production to household subsistence has been declining this trend has been reinforced by a decline in public investment stagnant growth and fluctuating prices for agricultural products men have been able to access the better paid non farm jobs while leaving women behind to manage agricultural production the renewed link between production and food security in agricultural policy has however meant allowing men not to have responsibility for household food security while a right to land for women is a positive development it appears also to be leading to an enhancement of work burdens without much change in terms of status or decision making authority

asset allocation with correlation a composite trade off abstract we assess the ability of minimum variance portfolio allocation strategies accounting for time varying correlation between assets to provide performance benefits relative to an equally weighted portfolio prior to transaction costs correlation based strategies emphatically outperform the equally weighted benchmark this finding is strongest for short horizon correlation forecasts and attributed to dynamic correlation as opposed to variance forecasts thus estimation error is not found to be the primary obstacle to successful portfolio optimization rather frequent rebalancing and associated transaction costs pose a significant challenge limiting portfolio turnover through short selling restrictions and greater rebalancing error tolerance results in regular outperformance of the correlation based strategies even for large transaction costs taken together these findings provide evidence of a trade off between optimal portfolio performance forecasting horizon rebalancing frequency and transaction costs