progress along the path evolving issues in the measurement of genuine saving more than 10 years since a practical linkage between sustainable development and a measure of national wealth expanded to include natural and environmental resources was first posited the empirical estimation of adjusted net savings dubbed genuine saving has evolved considerably in this paper we take stock of both progress achieved and the challenges that remain we begin by recalling the key points made in pearce and atkinson 1993 ecol econ 8 103 which presented the first cross country estimates of savings rates adjusted to reflect depletion and degradation of the environment we then briefly summarise the evolution of the theoretical argument linking savings and sustainability however the main focus of this paper is an aspect that concerned david pearce greatly namely the evolution of the measurement of genuine savings we identify and consider the empirical evidence with regard to two particular measurement issues the valuation of exhaustible resources and environmental degradation common to the both issues are concerns about measuring changes in national wealth in real world economies

the effect of food stamps on labor supply a bivariate selection model abstract although there is a large literature on the effects of u s transfer programs on labor supply this is the first such study of the food stamp program we model the nonlinearity and nonconvexity of the budget constraint and use maximum likelihood methods to estimate hours of work functions for female heads of household the largest recipient group in the program we also model the joint response to afdc and food stamps and we account for the existence of a significant number of eligible households who do not participate in the programs a three equation bivariate selection model is estimated on a sample of eligible households with maximum likelihood

promotion of the agricultural sector and political power in austria in most industrialized countries farmers as a small and well orgnized group are ableto influence government decisions to get rent creating proposals enacted two different viewsare presented to explain why the chicagoan view efficient redistribution hypothesis and the virginian view inefficient outcome of political bargaining a vertically structuredempirical model of the austrian farm sector is employed to test both hypotheses quantitativeresults of the welfare transfers from consumers taxpayers to farmers and agribusiness firmsare derived and the political weights of these groups are presented

household labor supply and welfare participation in sweden using a sample of swedish households we estimate a household labor supply model assuming that preferences for consumption and leisure can be described by a direct translog utility function the labor supply and welfare participation decisions are treated as a discrete choice problem and we assume that these choices follow a simple conditional logit rule in addition we allow unobserved individual specific effects to be correlated across alternatives we assume that these unobserved effects are drawn from a discrete distribution and the correlation across alternatives is modeled using factor loading techniques classification error in hours is allowed for by using a multiplicative measurement error specification the estimates from the structural model yield inelastic labor supply among husbands and positive wage elasticity for wives further the cross elasticities are close to zero

collective labour supply taxes and intrahousehold allocation an empirical approach most empirical studies of the impact of labor income taxation on the labor supply behavior of households use a unitary modeling approach in this article we empirically analyze income taxation and

welfare transfers in two parent families labor supply and welfare participation under afdc up this paper examines the effect of cash transfers and food stamp benefits on family labor supply and welfare participation among two parent families the aid to families with dependent children unemployed parent program has provided cash benefits to two parent households since 1961 despite recent expansions little is known about the program s effect on labor supply and welfare participation i develop a model of family labor supply in which hours of work for the husband and wife are chosen to maximize family utility subject to a family budget constraint accounting for afdc up benefits and other tax and transfer programs the husband s and wife s labor supply decisions are restricted to no work part time work and full time work maximum likelihood techniques are used to estimate parameters of the underlying hours of work and welfare participation equations the estimates are used to determine the magnitude of the work disincentive effects of the afdc up program and to simulate the effects of changes in afdc up benefit and eligibility rules on family labor supply and welfare participation the results suggest that labor supply and welfare participation among two parent families are highly responsive to changes in the benefit structure under the afdc up program

incentive effects of the u s welfare system a review the author would like to acknowledge support for prior work on this topic from the u s department of health and human services and helpful comments from three anonymous referees rebecca blank howard chernick john fitzgerald irwin garfinkel peter gottschalk edward gramlich david greenberg judith gueron james heckman v joseph hotz robert hutchens michael keane frank levy larry mead michael murray robert plotnick anuradha rangarajan philip robins howard rolston jeffrey smith and daniel weinberg all opinions and errors are those of the author alone

paying for progress conditional grants and the desegregation of southern schools this paper examines how a large conditional grants program influenced school desegregation in the american south exploiting newly collected archival data and quasi experimental variation in potential per pupil federal grants we show that school districts with more at risk in 1966 were more likely to desegregate just enough to receive their funds although the program did not raise the exposure of blacks to whites like later court orders districts with larger grants at risk in 1966 were less likely to be under court order through 1970 suggesting that tying federal funds to nondiscrimination reduced the burden of desegregation on federal courts i introduction because the u s constitution reserves powers not explicitly delegated to the federal government to the states conditional grants are key levers for federal policymakers seeking to affect a broad range of state and local policies states must implement federally approved speed limits and drinking ages to receive highway funding universities must provide gender parity in athletic offerings to receive research funding and states can lose funding if they do not comply with the clean air act more recently states and school districts have risked losing federal grants for failure to comply with the accountability requirements of the no child left behind act in this paper we examine whether the threat

measuring economic efficiency using inverse optimum weights abstract this paper provides a method to measure the traditional kaldor hicks notion of economic efficiency when taxes affect behavior in contrast to traditional unweighted surplus measuring efficiency requires weighting individual benefits or surplus by the marginal cost to the government of providing a 1 transfer at each income level these weights correspond to the solution to the inverse optimum program in the optimal tax literature they are the social planning weights that would rationalize the status quo tax schedule as optimal i estimate the weights using the universe of us income tax returns from 2012 the results suggest that measuring economic efficiency requires weighting surplus accruing to the poor roughly 1 5 2 times more than surplus accruing to the rich this is because 1 of surplus to the poor can be turned into roughly 1 5 2 of surplus to the rich by reducing the progressivity of the tax schedule following kaldor and hicks original applications i compare income distributions over time in the us and across countries the results suggest us economic growth is 15 20 lower due to increased inequality than is suggested by changes in gdp because of its higher inequality the u s is unable to replicate the income distribution of countries like austria and the netherlands despite having higher national income per capita

the welfare cost of means testing pensioner participation in income support we estimate parametric and semi parametric binary choice models of benefit take up by british pensioners and use a revealed preference argument to infer the cash equivalent value of disutility arising from stigma or complexity of the claims process these implicit costs turn out to be relatively small averaging about 3 4 per week across income support recipients using the foster greer thorbecke measure of poverty among pensioners we find that allowing for implicit claim costs incurred by benefit recipients raises the measured degree of poverty by not more than 13 copyright 2007 john wiley sons ltd

taxation and the international mobility of inventors we study the eect of top tax rates on superstar inventors international mobility since 1977 using panel data on inventors from the u s and european patent oces we exploit the dierential impact of changes in top tax rates on inventors of dierent qualities superstar inventors location choices are signicantly aected by top tax rates in our preferred specication the elasticity to the net of tax rate of the number of domestic superstar inventors is around 0 03 while that of foreign superstar inventors is around 1 these elasticities are larger for inventors in multinational companies an inventor is less sensitive to taxes in a country if his company performs a higher share of its research there

persistent underinvestment in public agricultural research abstract it is often argued that public support of agricultural research is inadequate however the empirical papers that support this hypothesis rarely reflect formal behavioral theory capable of explaining this phenomenon this paper presents a theory that explains underfunding namely that funding agencies respond too slowly to secular changes in the value of research a model of farmer and funding agency behavior is presented and shown to imply that actual research funding will be consistently smaller than optimal funding the assumptions and results of the model are explained in terms of the institutional literature on public agricultural research agencies

a life cycle consistent empirical model of family labour supply using cross section data this paper estimates a utility maximising model of the joint determination of male and female labour supplies using a sample of married couples from the u k family expenditure survey the emphasis is on the estimation of within period preferences that are consistent with intertemporal two stage budgeting under uncertainty however the approach we adopt provides an alternative method of estimating certain aspects of life cycle behaviour to the fixed effects constant approach of heckman and macurdy 1980 macurdy 1981 and browning deaton and irish 1985 moreover it relaxes some of the underlying restrictions that are implicit in these constant models under uncertainty

objectives and constraints of government policy the countercyclicity of transfers to agriculture estimates of government transfers to typical u s corn wheat and cotton farms are regressed on estimates of market derived farm income to show that u s farmers receive greater government transfers when they face relatively unfavorable market conditions this transfer countercyclicity is shown to be unrelated to potential deadweight losses constraining government transfers it is argued that prevailing political economy models have difficulty explaining transfer countercyclicity because they focus on political agents constraints to the neglect of political agents objectives

disease and development evidence from hookworm eradication in the american south this study evaluates the economic consequences of the successful eradication of hookworm disease from the american south the hookworm eradication campaign c 1910 began soon after i the discovery that a variety of health problems among southerners could be attributed to the disease and ii the donation by john d rockefeller of a substantial sum to the effort the rockefeller sanitary commission rsc surveyed infection rates in the affected areas eleven southern states and found that an average of forty percent of school aged children were infected with hookworm the rsc then sponsored treatment and education campaigns across the region follow up studies indicate that this campaign substantially reduced hookworm disease almost immediately the sudden introduction of this treatment combines with the cross area differences in pre treatment infection rates to form the basis of the identification strategy areas with higher levels of hookworm infection prior to the rsc experienced greater increases in school enrollment attendance and literacy after the intervention this result is robust to controlling for a variety of alternative factors including differential trends across areas changing crop prices shifts in certain educational and health policies and the effect of malaria eradication no significant contemporaneous results are found for adults who should have benefited less from the intervention owing to their substantially lower prior infection rates a long term follow up of affected cohorts indicates a substantial gain in income that coincided with exposure to hookworm eradication i also find evidence that eradication increased the return to schooling

a structural model of multiple welfare program participation and labor supply work on estimating the labor supply effects of high marginal tax rates in welfare programs has been hindered by the difficulty of estimating the effects of participation in multiple welfare programs simultaneously the authors solve this problem by applying methods of simulation estimation to a model of labor supply and multiple program participation the results show asymmetric wage and tax rate effects with fairly large wage elasticities of labor supply but very inelastic responses to moderate changes in cumulative marginal tax rates implying that high welfare tax rates do not necessarily induce major reductions in work effort copyright 1998 by economics department of the university of pennsylvania and the osaka university institute of social and economic research association

an economic model of welfare stigma perhaps the most basic assumption of the economic theory of consumer demand is that more is better than less virtually all of the major propositions of consumer theory can in a certain sense be derived from the assumption that goods are good interestingly however this tenet seems to be violated by the behavior of many individuals in the low income population for many turn out to be eligible for a positive welfare benefit but do not in fact join the welfare rolls for example it has been estimated that in 1970 only about 69 percent of the families eligible for afdc aid to families with dependent children participated in the program see richard michel 1980 the corresponding percentage for afdc u the program for which families with an unemployed male are eligible was only 43 percent and the participation rate in the food stamp program was only 38 percent see maurice mcdonald 1977 this phenomenon has puzzled many investigators because such individuals do not locate on the boundaries of their budget sets consequently most investigators ignore the problem when studying the effects of welfare programs on behavior in this paper this seemingly irrational rejection of an increase in income is modeled as resulting from welfare stigma that is from disutility arising from participation in a welfare program per se 1 the existence of stigma has been amply documented in the sociological literature patrick horan and patricia austin 1974 lee rainwater 1979 where interviews of recipients have often uncovered feelings of lack of self respect and negative self characterizations from participation in welfare nevertheless this phenomenon has not been modeled and many questions consequently remain when is the disutility of participation strong enough to prevent participation shouldn t we expect individuals to weigh the disutility of participation against the potential benefit in their decisions what is the elasticity of participation with respect to the potential benefit also in a slightly different vein how are the work disincentives of welfare affected by stigma these questions have been given scant attention by economists yet they are crucial for our ability to predict the impact of various welfare programs on the lowincome population here these questions are addressed by modeling nonparticipation as a utility maximizing decision the model is developed and estimated for the afdc program 2 the model posits an individual utility function containing not just disposable income but

the value of medicaid interpreting results from the oregon health insurance experiment we develop frameworks for welfare analysis of medicaid and apply them to the oregon health insurance experiment across different approaches we estimate low income uninsured adults willingness to

directly unproductive profit seeking dup activities this paper propses directly unproductive profit seeking dup activities as a general concept that embraces a wide range of recently analyzed economic activities including the subset of rent seeking activities considered by krueger it then proceeds to provide a synthesis and generalization of the welfare theoretic analysis of such activities by developing a fourfold categorization of cases depending on the levels of distortions before and after the dup activity thus a unification and overview of the subject are achieved

causes of u s farm commodity programs this paper i s an attempt to explain variations by commodity in producer protection afforded by farm price support programs since the1930s particularly emphasized are theideas that these programs are essentially income redistributional measures and that given political forces the programs are attempts to redistribute efficiently variables associated with the cost to producers of generating political pressure and the social cost deadweight losses of redistribution are both found to be empirically important copyright 1987 by university of chicago press

explaining the decline in the u s employment to population ratio a review of the evidence this paper first documents trends in employment rates and then reviews what is known about the various factors that have been proposed to explain the decline in the overall employment to population ratio between 1999 and 2018 population aging has had a large effect on the overall employment rate over this period but within age group declines in employment among young and prime age adults also have played a central role among the factors with effects that we can quantify based on existing evidence labor demand factors in particular increased import competition from china and the penetration of robots into the labor market are the most important drivers of observed within group declines in employment labor supply factors most notably increased participation in disability insurance programs have played a less important but not inconsequential role increases in the real value of state minimum wages and in the share of individuals with prison records also have contributed modestly to the decline in the aggregate employment rate in addition to the factors whose effects we roughly quantify we identify a set of potentially important factors about which the evidence does not yet allow us to draw clear conclusions these include the challenges associated with arranging child care improvements in leisure technology changing social norms increased use of opioids the growth in occupational licensing and declining labor market fluidity our evidence driven ranking of factors should be useful for guiding future discussions about the sources of decline in the aggregate employment to population ratio and consequently the likely efficacy of alternative policy approaches to increasing employment rates

a political economic analysis of u s rice export programs to japan and south korea a game theoretic approach the uruguay round agreement on agriculture ur has contributed to the increase in u s and world rice trade since 1994 despite this the japanese and korean rice markets continue to be characterized by high levels of trade intervention this paper attempts to analyze both import markets incorporating econometric estimates and public choice theory in a game theoretic framework various scenarios are analyzed the results show that the overall nash equilibrium occurs with a 4 tariff reduction for japan and korea under the u s market development program which includes the market access program and foreign market development program

the concept of income in a general equilibrium this paper derives a concept of aggregate real income for a competitive economy in general equilibrium consisting of heterogeneous infinitely lived people and relates it to current and future consumption possibilities an important characteristic of our measure of income which we call real income is that deflation is carried out using a consumption deflator rather than any price index of output we suggest that it may be inappropriate to regard capital gains as income we also present a coherent treatment of the effects of changes to the terms of trade on real income and explain the implications of this for resourceexporting economies hicks 1939 defined income as the maximum amount a man can spend and still be as well off at the end of the week as at the beginning since then there has been a succession of attempts to apply this definition the problem is as hicks acknowledged that the correct interpretation of as well off is by no means clear weitzman 1976 and asheim 1997 suggest that income is equal to the level of consumption which could be sustained indefinitely out of the capitalized value of current income and equate this to being as well off at the end of the week as at the beginning eisner 1988 argues specifically that in a total incomes system effects arising from asset price changes and conventionally regarded as capital gains should be included with income here building on earlier work by sefton and weale 1996 asheim and weitzman 2001 and pemberton and ulph 2001 we provide a comprehensive account of the implications of the idea that as well off should be understood to mean that the present discounted value of current and future utility should be unchanged over the interval considered we work in the context of a general equilibrium taking the prices established in the general equilibrium as given we first look at income from the production side showing that in an economy where prices and the interest rates satisfy an intertemporal efficiency condition income along an equilibrium path can be interpreted as a weighted average of the value of the current and future consumption bundle plus a term adjusting for changes in the nominal price level converting prices to real prices by deflating by the divisia consumption price index removes the need for this adjustment these results are suggestive first they offer a way of defining the income of a household entirely in terms of its consumption possibilities second they indicate that to calculate real income deflation is best carried out using a price index of consumption this is a substantial divergence from current national accounting practice third because we have assumed constant returns there is a trivial aggregation result that aggregate income is equal to the sum of the incomes from the individual sectors

wealth accounting exhaustible resources and social welfare the empirical literature on natural resource accounting uses methods which implicitly or explicitly entail measuring changes in total resource asset value when an exhaustible resource is depleted in contrast the growth theoretic literature on saving social welfare and sustainable development is built upon a central finding that the change in real wealth as measured by net or genuine saving is proportional to the change in social welfare we show that the change in total wealth exceeds the change in real wealth in optimal and non optimal models of resource extracting economies this suggests that the change in social welfare is over estimated when the change in total resource asset value is used as the measure of depletion a simple empirical exercise using world bank data on adjusted net saving reinforces the results from theory

take up and targeting experimental evidence from snap this paper develops a framework for evaluating the welfare impact of various interventions designed to increase take up of social safety net programs in the presence of potential behavioral biases we calibrate the key parameters using a randomized field experiment in which 30 000 elderly individuals not enrolled in but likely eligible for the supplemental nutrition assistance program snap are either provided with information that they are likely eligible provided with this information and also offered assistance in applying or are in a status quo control group only 6 percent of the control group enrolls in snap over the next 9 months compared to 11 percent of the information only group and 18 percent of the information plus assistance group the individuals who apply or enroll in response to either intervention receive lower benefits and are less sick than the average enrollee in the control group the results are consistent with the existence of optimization frictions that are greater for needier individuals suggesting that the poor targeting properties of the interventions reduce their welfare gains

a critical assessment of the political preference function approach in agricultural economics abstract the policy preference function ppf approach has become popular with economists seeking to explain the origin of government policies in this paper a distinction between positive and normative work with the ppf concept is made positive work is shown to suffer from a variety of shortcomings including the misspecification of traditional ppfs and the failure to consider the importance of institutions constraints and the interaction between different commodity policies these weaknesses are reflected in the counter intuitive results of a simple ppf model designed to reflect the interaction between the ec s wheat and barley policies furthermore it is demonstrated that ppf weights change as a result of both political preferences and market parameters hence changes in ppf weights cannot be attributed to changes in preferences alone test of the axioms of revealed preference theory are used to demonstrate that even though ppf weights derived for the ec s wheat and barley markets have fluctuated considerably since the early 1970s we are not able to conclude that there has been a shift in political preferences the paper concludes with some comments about the use of ppfs in a normative framework the underlying assumption that policy makers optimise seems not surprisingly often to lead practitioners to the conclusion that observed policies are not so bad after all economists should also beware of the tendency to overlook possible differences between the ppf and the social welfare function

estimating statistical properties of political economic decisions revelation of criteria implicit in setting policy is addressed in a political economic framework that includes identification and estimation of unknown parameters in the presence of multiple sources of uncertainty policy formation is viewed as an optimization process under which the government maximizes a criterion function subject to market constraints a method for estimating political criterion function weights and their associated standard errors over multiple time periods is presented the approach is illustrated with an empirical example from japanese rice and wheat trade policy

the food stamp participation and labor supply of married couples an empirical analysis of joint decisions this paper examines the effect of the food stamp program on intrafamily labor supply and program participation decisions married couples simultaneously choose the labor supply of the husband and wife and whether to participate in the food stamp program using data from the survey of income and program participation the author estimates a nested multinomial logit model simulations indicate smaller labor supply effects to changes in the food stamp benefit than the previous research which focused on single parents married couple program participation is found to be relatively responsive to changes in food stamp benefits

intervention bias in agricultural policy abstract this paper re examines the motivation for government intervention in agriculture to support farm prices and incomes a model is outlined in which the government has a preference for higher farm incomes but fails to provide farmers with the socially optimal level of price support even when one accepts the government s income redistribution goals as a valid reflection of social preference it is shown that agricultural policy has an intervention bias government price supports generally are higher than would be socially optimal the source of the intervention bias is a time inconsistency in optimal agricultural policy formation caused by the government s inability to precommit to a rule for setting future price support levels simulation results indicate that in some circumstances the intervention bias in agricultural policy can be substantial

renewable resource policy when distributional impacts matter the standard assumption in bioeconomic resource models is that optimal policies maximize the present value of economic surplus to society this assumption implies that regulatory agencies should not be concerned with the distributional consequences of management strategies both contemporary welfare theoretic and rent seeking approaches suggests distributional issues are important in designing resource management policies this paper explores resource management when the managing agency has preferences defined over the economic welfare of various groups with a direct economic interest in the use of resources policy schemes consistent with this approach are derived and compared with standard results

explaining and forecasting results of the self sufficiency project this paper studies the self sufficiency project ssp a controlled randomized experiment concerning welfare by estimating a model of endogenous skill accumulation multidimensional job opportunities and time varying opportunity costs of labour market time methods for estimating dynamic programming models with unobserved heterogeneity are extended to account for unexpected policy interventions and endogenous sample selection and initial conditions parameters are identified and consistently estimated by imposing optimal responses to the exact form of the ssp earnings supplement and the experimental program which induces exogenous variation between treatment groups and within groups as treatment progresses the estimated model tracks primary outcomes well in and out of sample except for underestimating trends in the sample of new welfare applicants predictions from counterfactual experiments run counter to non structural results reported elsewhere and they suggest that details of the ssp s design are critical for interpretation of results the separate ssp plus treatment may have longer lasting and more generalized impacts than the in sample impacts suggest copyright oxford university press

sharing rule identification for general collective consumption models we propose a method to identify bounds i e set identi cation on the shar ing rule for a general collective household consumption model unlike the eects of distribution factors it is well known that the level of the sharing rule cannot be uniquely identi ed without strong assumptions on preferences across households of dierent compositions our new results show that though not point identi ed without these assumptions narrow bounds on the sharing rule can be obtained we get these bounds by applying revealed preference restrictions implied by the collective model to the household s continuous aggregate demand functions we obtain informative bounds even if nothing is known about whether each good is public private or assignable within the household though having such infor mation tightens the bounds we apply our method to us 1999 2009 psid data this application obtains tight sharing rule bounds that yield useful conclusions regarding the eects of income and wages on intrahousehold resource sharing and on the prevalence of individual as opposed to household level poverty

are government transfers efficient an alternative test of the efficient redistribution hypothesis the efficient redistribution hypothesis says that no available government policies are pareto superior to observed government policies efficient redistribution from government policy is a central tenet of much recent theoretical and applied political economy literature in this paper limitations of previous attempts to test the efficient redistribution hypothesis are discussed and an alternative test of the efficient redistribution hypothesis that uses vector optimization theory and bootstrap methodology is presented

snap expansions and participation in government safety net programs this paper investigates the interactions between health and nutritional assistance programs such as medicaid snap wic and school lunch programs exploiting variation in snap eligibility across states and over time i find strong evidence of program interactions when a state moves from the federal rule to the most extensive snap eligibility rule enrollment in free school lunch and wic increases by 4 1 and 7 9 percentage points respectively i estimate that the federal government spends an additional 74 cents on the school lunch program and wic for each dollar spent on snap due to the expansion

a policy preference function for government intervention in the u s wheat market this paper estimates a policy preference function that explains the government s choices of target prices government held wheat stocks and public wheat research funding the policy preference function depends on producers surplus consumers surplus and budget expenditures an important innovation in this paper is the inclusion of interactions between public research expenditures and other public policy variables results indicate that the government places a premium of 25 to 45 on the welfare of wheat producers of relative to budget expenditures while wheat consumers welfare is discounted as much as 50 relative to budget expenditures the purpose of this paper is to provide an explanation of government commodity programs stock accumulations and research expenditures in the u s wheat sector the explanation is based on a policy preference function ppf that depends on producers surplus consumers surplus and budget expenditures it is assumed that target prices reductions in or additions to government stocks and public research expenditures are chosen to maximize the policy preference function the central contribution of the paper is the estimation of a function that is consistent with the observed government interventions in the u s wheat market that is the paper explains the observed target prices government sales and public research expenditures as rational behavior by a government which seeks to maximize the estimated policy preference function the approach in this paper is based on the political interest group theories of peltzman and becker applications of these ideas to agriculture include rausser and freebairn s description of the beef industry gardner s 1985 analysis

long run impacts of childhood access to the safety net a growing economics literature establishes a causal link between in utero shocks and health and human capital in adulthood most studies rely on extreme negative shocks such as famine and pandemics we are the first to examine the impact of a positive and policy driven change in economic resources available in utero and during childhood in particular we focus on the introduction of a key element of the u s safety net the food stamp program which was rolled out across counties in the u s between 1961 and 1975 we use the panel study of income dynamics to assemble unique data linking family background and county of residence in early childhood to adult health and economic outcomes the identification comes from variation across counties and over birth cohorts in availability of the food stamp program our findings indicate that the food stamp program has effects decades after initial exposure specifically access to food stamps in childhood leads to a significant reduction in the incidence of metabolic syndrome obesity high blood pressure and diabetes and for women an increase in economic self sufficiency overall our results suggest substantial internal and external benefits of the safety net that have not previously been quantified

a unified welfare analysis of government policies we conduct a comparative welfare analysis of 133 historical policy changes over the past half century in the united states focusing on policies in social insurance education and job training taxes and cash transfers and in kind transfers for each policy we use existing causal estimates to calculate both the benefit that each policy provides its recipients measured as their willingness to pay and the policy s net cost inclusive of long term impacts on the government s budget we divide the willingness to pay by the net cost to the government to form each policy s marginal value of public funds or its mvpf comparing mvpfs across policies provides a unified method of assessing their impact on social welfare our results suggest that direct investments in low income children s health and education have historically had the highest mvpfs on average exceeding 5 many such policies have paid for themselves as governments recouped the cost of their initial expenditures through additional taxes collected and reduced transfers we find large mvpfs for education and health policies amongst children of all ages rather than observing diminishing marginal returns throughout childhood we find smaller mvpfs for policies targeting adults generally between 0 5 and 2 expenditures on adults have exceeded this mvpf range in particular if they induced large spillovers on children we relate our estimates to existing theories of optimal government policy and we discuss how the mvpf provides lessons for the design of future research

re examining the reported rates of return to food and agricultural research and development comment hurley rao and pardey 2014 argue to replace the internal rate of return with the modified internal rate of return for the evaluation of public research investment the crux of their argument is that the internal rate of return assumes intermediate cash flows can be reinvested or borrowed at same return as the initial investment which is generally not correct or reasonable page 1492 this article first demonstrates that reinvestment decisions are embodied in the project specification and that the internal rate of return makes no inherent reinvestment assumption the article then clarifies the algebraic properties of the marginal internal rate of return and the reinvestment implications of the internal rate of return and modified internal rate of return within the context of public agricultural research evaluation

the drivers of income inequality in rich countries rising income inequality has recently come centre stage as a core societal concern for rich countries the diagnosis of the forces driving inequality upwards and their relative importance remains hotly contested notably with respect to the roles of globalization versus technology and of market forces versus institutions and policy choices this survey provides a critical review and synthesis of recent research the focus is on income inequality across the entire distribution rather than only on what has been happening at the very top we pay particular attention to including what has been learned from the analysis of micro data to ensuring that the coverage is not unduly us centric and to analyses of the interrelations between the different drivers of inequality the marked differences in inequality trends across countries and time periods reflect how global economic forces such as globalisation and technological change have interacted with differing national contexts and institutions major analytical challenges stand in the way of a consensus emerging on the relative importance of different drivers in how income inequality has evolved in recent decades

the economics and nutritional impacts of food assistance policies and programs recent evidence on malnutrition and poverty raise important questions on the role of food assistance policies and programs in this review article we examine evidence on the economic and nutritional impacts of international food assistance programs faps and policies the returns on investments in faps are on average high but depend considerably on the targeting and cost structures as well as on food quality and role of complementary activities we disaggregate findings into four classes of recipients returns to faps are highest for children under two but faps oriented towards early childhood interventions are less well funded than are interventions aimed at school age children or at the broader largely adult population even though available evidence indicates that these latter classes of interventions offer considerably lower average returns in economic health and nutrition terms nonetheless fap effectiveness in achieving any of several objectives varies with a range of key factors including targeting additionality seasonality timeliness incentive effects social acceptability and political economy considerations

the welfare consequences of directly unproductive profit seeking dup lobbying activities price versus quantity distortions abstract this paper is a contribution to the growing literature on the theory of what bhagwati 1982 has christened the theory of dup activities these are activities that use up real resources in making profits i e income without producing directly or indirectly a good they result therefore in the contraction of the availability set defined on goods for one generic subset of such dup activities namely distortion triggered lobbying activities the paper establishes asymmetrical propositions on the possibility of such dup lobbying resulting in a paradoxical improvement of welfare

capital gains and net national product in open economies it is shown within a given framework that with the world economy following an egalitarian path the aggregate capital gains being positive is equivalent to the interest rate tending to decrease this result is of importance for the concept of net national product in open economies in particular with positive aggregate capital gains an open economy cannot sustain consuming the return on its capital stocks since some part of the return must be used to augment the country s national wealth it is established that a country s share of world wide sustainable consumption equals its share of worldwide wealth

capital gains and income arising from nonrenewable resources should capital gains be included in income arising from nonrenewable resources in the present paper i show that capital gains from a nonrenewable resource can be divided into two terms real price change effects and real interest rate change effects by application of sectoral income theory developed by asheim and wei environ res econ 42 65 87 2009 only the former term is part of real income of the resource and the latter term should not be included this result is significant in the sense that all change in real resource wealth can be included as part of real income only if future real interest rates are assumed to be constant hotelling rule always implies that capital gains from nonrenewable resources coincide with real interests on resource wealth net investment generated from the resource cancels out current cash flow from the resource and real income comes from price change effects

what did medicare do the initial impact of medicare on mortality and out of pocket medical spending abstract we study the impact of the introduction of one of the major pillars of the social insurance system in the united states the introduction of medicare in 1965 our results suggest that in its first 10 years the establishment of universal health insurance for the elderly had no discernible impact on elderly mortality however we find a substantial reduction in the elderly s exposure to out of pocket medical expenditure risk specifically we estimate that the introduction of medicare was associated with a 40 decline in out of pocket spending for the top quartile of the out of pocket spending distribution a stylized expected utility framework suggests that the welfare gains from such reductions in risk exposure alone may be sufficient to cover almost two fifths of the costs of medicare these findings underscore the importance of considering the direct insurance benefits from public health insurance programs in addition to any indirect benefits from an effect on health

a theory of competition among pressure groups for political influence this paper presents a theory of competition among pressure groups for political influence political equilibrium depends on the efficiency of each group in producing pressure the effect of additional pressure on their influence the number of persons in different groups and the deadweight cost of taxes and subsidies an increase in deadweight costs discourages pressure by subsidized groups and encourages pressure by taxpayers this analysis unifies the view that governments correct market failures with the view that they favor the politically powerful both are produced by the competition for political favors

non separable time preferences novelty consumption and body weight theory and evidence from the east german transition to capitalism abstract this paper develops a dynamic model to illustrate how diet and body weight change when novel food products become available to consumers we propose a microfounded test to empirically discriminate between habit and taste formation in intertemporal preferences moreover we show that novelty consumption and endogenous preferences can explain the persistent correlation between economic development and obesity by empirically studying the german reunification we find that east germans consumed more novel western food and gained more weight than west germans when a larger variety of food products became readily accessible after the fall of the wall the observed consumption patterns suggest that food consumption features habit formation

does head start improve children s life chances evidence from a regression discontinuity design this paper exploits a new source of variation in head start funding to identify the program s effects on health and schooling in 1965 the office of economic opportunity oeo provided technical assistance to the 300 poorest counties to develop head start proposals the result was a large and lasting discontinuity in head start funding rates at the oeo cutoff for grant writing assistance we find evidence of a large drop at the oeo cutoff in mortality rates for children from causes that could be affected by head start as well as suggestive evidence for a positive effect on educational attainment i introduction head start was established in 1965 as part of the war on poverty to provide preschool health and other social services to poor children age three to five and their families and currently serves over 900 000 children each year at a cost of around 7 billion hhs 2006 this paper provides new evidence on the effects of the head start program on schooling and health by drawing on a new source of variation in program funding spe

housing vouchers income shocks and crime evidence from a lottery abstract employing exogenous variation in randomized wait list positions assigned using a lottery we identify the causal effects of section 8 housing vouchers on arrests of adult household heads based on administrative records from houston we find that voucher receipt has no effect on the likelihood of arrest even among the groups with the highest propensities for crime the vouchers have no impact income effects for these adults are particularly large relative to neighborhood effects leading us to believe that this large income shock does little to alleviate financial pressures that could lead to crime

inside the war on poverty the impact of food stamps on birth outcomes this paper evaluates the health impacts of a signature initiative of the war on poverty the introduction of the modern food stamp pro gram fsp using variation in the month fsp began operating in each u s county we find that pregnancies exposed to fsp three months prior to birth yielded deliveries with increased birth weight with the largest gains at the lowest birth weights we also find small but statistically insig nificant improvements in neonatal mortality we conclude that the sizable increase in income from fsp improved birth outcomes for both whites and african americans with larger impacts for african american mothers n this paper we evaluate the health consequences of a sizable improvement in the resources available to ameri ca s poorest in particular we examine the impact of the food stamp program fsp which in 2007 provided 34 billion in payments to about 13 million households on infant health our paper makes two distinct contributions first although the goal of the fsp is to increase the nutri tion of the poor few papers have examined its impact on health outcomes second building on work by hoynes and schanzenbach 2009 we argue that the fsp treatment represents an exogenous increase in income for the poor our analysis therefore represents a causal estimate of the impact of income on health an important topic with little convincing evidence due to concerns about endogeneity and reverse causality currie 2009 we use the natural experiment afforded by the nation wide rollout of the modern fsp during the 1960s and early 1970s our identification strategy uses the sharp timing of the county by county rollout of the fsp which was initially constrained by congressional funding authorizations and ultimately became available in all counties by 1975 speci fically we use information on the month the fsp began operating in each of the roughly 3 100 u s counties and examine the impact of the fsp rollout on mean birth weight low birth weight gestation and neonatal mortality throughout the history of the fsp the program para meters have been set by the u s department of agriculture usda and are uniform across states in the absence of the state level variation often leveraged by economists to eval uate transfer programs previous fsp research has typically resorted to strong assumptions as to the comparability of fsp participants and eligible nonparticipants currie 2003 not surprisingly the literature is far from settled as to what casual impact if any the fsp has on nutrition and health hoynes and schanzenbach 2009 use this county rollout to examine the impact of the fsp on food consumption using the psid they found that the introduction of the fsp increased total food spending and decreased out of pocket food spending importantly consistent with the predictions of canonical microeconomic theory the magnitude of the increase in food expenditures was similar to an equivalent sized income transfer implying that most recipient house holds were inframarginal that is they would spend more on the subsidized good than the face value of the in kind transfer as one of the largest antipoverty programs in the united states comparable in cost to the earned income tax credit eitc and substantially larger than temporary assistance to needy families tanf understanding fsp effects is valuable both in its own right and for what it reveals about the relationship between income and health 1

resource depletion and sustainability in small open economies abstract exogenous price changes affect the amount that a small country exporting natural resource commodities must invest to sustain its consumption level the necessary amount is given by the difference between hotelling rent and the discounted sum of future terms of trade effects capital gains the latter term is found to be large relative to the former in the case of petroleum depletion in indonesia this suggests that resource rich countries will need to invest more than previously expected to sustain their consumption levels if natural resource prices continue their long term historical decline

agricultural policy adjustments in the korean rice economy abstract a political preference function is used to endogenize government actions in a simultaneous equation model for south korean rice policy the effects of economic changes on rice pricing decisions through estimated political weights are tested to improve our understanding of policy adjustments in that country and open the way for further research in east asia

goal setting and energy conservation abstract this paper develops a theoretical model of consumer demand for an energy conservation program that involves non binding self set goals we present evidence from a northern illinois goal setting program aimed at reducing residential electricity consumption which is difficult to reconcile with standard preferences and is broadly consistent with a model of present biased consumers with reference dependent preferences we find that the need for commitment is correlated with program adoption higher pre adoption consumption and lower responsiveness to goals consumers choosing realistic goals persistently save substantially more achieving savings of nearly 11 than those choosing very low or unrealistically high goals

structural estimation of a model of school choices the boston mechanism vs its alternatives we model household choice of schools under the boston mechanism bm and develop a new method applicable to a broad class of mechanisms to fully solve the choice problem even if it is infeasible

hartwick s rule in open economies to sustain constant consumption the hartwick rule prescribes reinvesting all resource rents in reproducible capital this paper shows that the rule does not apply to open economies since the underlying stationary technology assumption is violated when gains from trade are taken into account a correct analog to the hartwick rule for open economies is developed and applied to a model of capital accumulation and resource depletion la regle de hartwick dans les e conomies ouvertes pour maintenir la consommation constante la regle de hartwick prescrit qu il faut reinvestir toutes les rentes des ressources dans du capital reproductible ce me moire montre que la regle ne s applique pas dans le cas d economies ouvertes parce que le postulat d une technologie stationnaire n9est pas satisfait quand on tient compte des gains engendres par le commerce international l auteur developpe une version correcte pour les economies ouvertes dans 1 esprit de la regle de hartwick et l applique a un modele d accumulation de capital et d epuisement des ressources

the calculation of returns to research in distorted markets reply abstract most of the emperical literature calculating rates of return to publicly sponsored research assumes that research is the only relevant government intervention for most countries this assumption is untenable this paper shows that improperly measuring government inducedmarket distortions can severely bias research rate of return calculations if the interaction between successful research and other government interventions increases the cost of the other interventions then neglecting market distortions unambigously increases the calculated rate of return three examples of government induced distortions show that the magnitude of the upward bias in calculated rates of return can be extremely large in some cases more than 100 percentage points a normative implication is that governments should account for interactions between research and price interventions when determining research support levels a positive implication is that existing government research funding patterns are more readily explainable as reasonable behavior by a government that accounts for these interactions

does welfare inhibit success the long term effects of removing low income youth from the disability rolls i estimate the effects of removing low income youth with disabilities from supplemental security income ssi on their earnings and income in adulthood using a regression discontinuity design based on a 1996 policy change in age 18 medical reviews i find that youth who are removed from ssi at age 18 recover one third of the lost ssi cash income in earnings ssi youth who are removed and stay off ssi earn on average 4 400 annually and they lose 76 000 in present discounted observed income over the 16 years following removal relative to those who do not receive a review jel i30 i38 j14 supporters of welfare programs defend them as vital lifelines for those who face barriers to work while critics charge that these programs create perverse incentives to qualify and perpetuate dependency encapsulating this debate is the controversy over the us supplemental security income ssi program a program that provides cash payments and medicaid eligibility to low income children and adults with disabilities and the aged elderly after three decades of rapid expansion ssi is now the largest nonwork based cash welfare program in the united states paying about 50 billion each year to 8 million recipients including 1 3 million children 1 ssi has been singled out by policymakers and the media for potential perverse incentives

estimating labor supply responses and welfare participation using a natural experiment to validate a structural labor supply model in this paper we formulate and estimate an economic model of labor supply and welfare participation the model is estimated on data on single men from quebec drawn from the 1986 canadian census budget sets for each work welfare combination accounting for income taxes tax credits and welfare benefit rules are derived using a microsimulation model we validate our model by comparing reactions to a welfare reform that implied a dramatic increase in welfare benefits predicted by our model to those obtained by using a regression discontinuity approach the results show that our model is capable of recovering actual changes in labor supply and welfare participation we also show the advantage of having estimated a structural model by illustrating how labor supply and welfare participation change when benefit levels change

work incentives and the food stamp program abstract labor supply theory makes strong predictions about how the introduction or expansion of a social welfare program impacts work effort although there is a large literature on the work incentive effects of afdc and the eitc relatively little is known about the work incentive effects of the food stamp program and none of the existing literature is based on quasi experimental methods we use the cross county introduction of the program in the 1960s and 1970s to estimate the impact of the program on the extensive and intensive margins of labor supply earnings and family cash income consistent with theory we find reductions in employment and hours worked when food stamps are introduced the reductions are concentrated among families headed by single woman

protectionism versus risk in screening for invasive species abstract i examine the extent to which enforcement of a biosecurity import restriction us border inspections for foreign pests and diseases is used as a protectionist trade barrier the parameters of a structural model of border inspection are estimated using a detailed dataset documenting the outcome of us agricultural border inspections i find that inspections are conducted in a manner that places an implied welfare weight on domestic producers relative to consumers ranging from 1 to 1 63 i also find evidence that the inspection agency takes terms of trade into account when inspecting agricultural imports these results suggest that border inspections are used as a protectionist non tariff barrier

estimation with response error and nonresponse error in survey data originates from failure to contact the sample and from false answers to verifiable questions these errors may be systematic and associated with uncooperative or unreliable respondents zabel modeled attrition in the survey of income and program participation and found systematic demographic and design effects bollinger and david modeled response error and identified correlations to income per capita in this analysis we link missing interviews in a panel and response error through a trivariate probit analysis robustness of the correlation between attrition and response error is examined by comparing variants of the model the joint model of response error and attrition becomes the first stage of a pseudolikelihood estimate of a model of food stamp participation the model is significantly different from naive probit on the survey data

differences in social and public risk perceptions and conflicting impacts on point nonpoint trading ratios if stochastic nonpoint pollution loads create socially costly risk then an economically optimal point nonpoint trading ratio the rate point source controls trade for nonpoint controls is adjusted downward a risk reward for nonpoint controls encouraging more nonpoint controls however in actual trading programs ratios are adjusted upward in response to nonpoint uncertainties a risk premium for nonpoint controls this contradiction is explained using a public choice model in which regulators focus on encouraging abatement instead of reducing damages the result is a divergence of public and social risk perceptions and a trading market that encourages economically suboptimal nonpoint controls copyright 2001 oxford university press