reconciling the old and new census bureau education questions recommendations for researchers beginning with the 1990 census and the january 1992 current population survey cps the bureau of the census changed the emphasis of its educational attainment question from years of education to degree receipt using a matched sample from the 1991 and 1992 march cps this article addresses how to reconcile the old and new questions the effects of those methods on the estimated return s to education are then examined both the estimated linear return and the estimated college high school wage differential are slightly larger using information from the new question

who suffers the penalty a panel data analysis of earnings gaps in vietnam in spite of its predominant economic weight in developing countries little is known about the informal sector earnings structure compared to that of the formal sector taking advantage of the rich vhlss dataset in vietnam in particular its three wave panel data 2002 2004 2006 we assess the magnitude of various formal informal earnings gaps while addressing heterogeneity at three different levels the worker the job wage employment vs self employment and the earnings distribution we estimate fixed effects and quantile regressions to control for unobserved individual characteristics our results suggest that the informal sector earnings gap highly depends on the workers job status and on their relative position in the earnings distribution penalties may in some cases turn into premiums by comparing our results with studies in other developing countries we draw conclusions highlighting vietnam s labour market specificity

supply side structural effect on carbon emissions in china abstract this paper carries out a structural decomposition analysis sda of production related carbon emissions in china from 1992 to 2005 by adopting the ghosh input output model it finds that the supply side structure measured by sectoral shares in value added increased production related carbon emissions in 1992 2002 mainly due to the rapid growth of manufacturing sectors but reduced them in 2002 2005 thanks to the decreased shares of carbon intensive sectors whatever the supply side structure forward carbon multipliers of each sector or changes in supply side sectoral shares and related emissions effects calculated by adopting the ghosh input output model were different from their demand side counterparts estimated by adopting the leontief input output model the results suggest optimizing the supply side structure and lowering the forward carbon multipliers to control carbon emissions in the future

interregional multipliers looking backward looking forward backward linkages are usually measured using output multipliers as based on the input matrix similarly value added and import multipliers are derived by additionally using the corresponding primary input coefficients for measuring forward linkages input multipliers have been frequently used within a supply driven input output model these multipliers are obtained from the output matrix the present paper extends this notion by taking into account also the final output coefficients this yields consumption export and investment multipliers in an empirical analysis multipliers are calculated for an intercountry input output table of six european union eu countries the multipliers are decomposed into intracountry effects intercountry spillover effects and intercountry feedback effects d habitude les liens en amont sont mesures a partir des multiplicateurs de production bases sur la matrice des facteurs de production de la meme maniere des multiplicateurs de valeur ajoutee et d importation s

releasing constraints to growth or pushing on a string policies and performance of mexican micro firms abstract using firm level data from mexico this paper investigates the firm characteristics associated with participation in credit markets access to training tax payments and membership in business associations we find that firms which participate in these institutions exhibit significantly higher profits moreover firms that borrow from formal or informal sources and those that pay taxes are significantly more likely to stay in business but firms that received credit exhibit lower rates of income growth these results persist when firm characteristics that are arguably correlated with unobserved entrepreneurial ability are controlled for our findings suggest that the significant within country differences in firm productivity observed in developing economies are due in part to market and government failures that limit the ability of micro firms to reach their optimal sizes

social security disability insurance applications awards and lifetime income flows this article provides new evidence about the impact of social security disability insurance on male labor force participation decisions based on estimates from a structural model of applications awards and state contingent lifetime income flows the lifetime framework makes it possible to consider long term opportunity costs associated with early labor force withdrawal and the disincentive to applications resulting from the statutory waiting period before benefits may be received estimation techniques account for the self selected nature of the pool of applicants when predicting the individual specific probability of acceptance and the opportunity costs of applying

disability transfers and the work decision of older men the potential causal relationship between the availability and generosity of disability transfers and the nonparticipation rates of older men is often asserted and much studied parsons 1980 haveman and wolfe 1984 leonard 1986 however estimates of the magnitude of this linkage vary widely the growth in transfer availability and generosity has been credited with from 30 to 100 percent of the significant post 1960 fall in older male participation rates the disparity in these research results stems primarily from 1 alternative sources of data that differentially constrain estimation of relevant expected wage and transfer incomes 2 specifications that are unable to distinguish income transfer from labor market effects and 3 reliance on measures of health status that are endogenous to the work leisure decision this study seeks to narrow the range of estimates by addressing each of these issues our utility maximization model of work status choice assumes that workers who differ in health status choose between the mutually exclusive options of working at the wage offered for their characteristics and accepting public or private disability transfers because the income flows in the two options are censored they are estimated using switching regression techniques as expectations conditional on exogenous individual characteristics hence accounting for the potentially endogenous process that separates wage earners from transfer recipients the marginal utilities of income from the two sources are allowed to differ because of stigma effects in the estimation we adjust the choice based nature of our sample employ longitudinal earnings data to measure expected changes in as distinct from the expected level of income in the two options and use a separately estimated latent health status measure largely purged of its endogeneity with the participation decision

household entrepreneurship and social networks panel data evidence from vietnam en utilisant un panel de microentreprises familiales au vietnam cet article met en relation le reseau social des entrepreneurs et de leur menage avec la performance de la microentreprise familiale nous abordons deux questions connexes la premiere examine la possibilite d effets differencies de l emploi des membres de la famille par rapport a des travailleurs recrutes sur le marche du travail sur la performance de la microentreprise une deuxieme question aborde les effets respectifs des differentes dimensions des reseaux sociaux sur l efficience technique de la microentreprise l hypothese testee est que au dela du canal de la productivite du travail les entrepreneurs qui sont confrontes a un environnement social defavorable pourraient produire moins efficacement et realiser une valeur ajoutee plus faible que ce qui pourrait etre possible avec la meme quantite de ressources nous montrons qu il existe en effet un differentiel de productivite entre le travail familial et le travail recrute sur le marche et nos resultats attestent de la presence d effets defavorables du reseau social pour certains menages gerant une microentreprise nous soulignons aussi l importance des reseaux professionnels pour la reussite de l entreprenariat familial

the rise in the disability rolls and the decline in unemployment between 1984 and 2001 the share of nonelderly adults receiving social security disability insurance income di rose by 60 percent to 5 3 million beneficiaries rapid program growth despite improving aggregate health appears to be explained by reduced screening stringency declining demand for less skilled workers and an unforeseen increase in the earnings replacement rate we estimate that the sum of these forces doubled the labor force exit propensity of displaced high school dropouts after 1984 lowering measured u s unemployment by one half a percentage point steady state calculations augur a further 40 percent increase in the rate of di receipt

the responsibility for carbon emissions and carbon efficiency at the sectoral level evidence from china this work reviews benefit based principles to measuring responsibility for carbon emissions at the sectoral level using environmental input output analysis several new emissions multipliers are proposed to measure sectoral carbon efficiency these principles are used in an empirical analysis of carbon emissions in china and differences between the principles are compared the results indicate that all principles considered can prevent double counting of emissions but that different principles may lead to significantly different attributions of responsibility for carbon emissions and to different multiplier values for particular sectors electricity and heat supply is found to be the sector with the highest emissions responsibility under all but the consumer responsibility principle as well as the highest carbon multiplier under all principles however this sector s responsibility under producer responsibility principles is greater than that under other principles basic metals and transportation and post and telecommunication are among the top five sectors with the greatest responsibilities under all but the consumer responsibility principle whereas construction has the highest consumer responsibility among all sectors the pros and cons and policy implications of each principle are also discussed

disability capacity for work and the business cycle an international perspective important policy issues arise from the high and growing number of people claiming disability benefits for reasons of incapacity for work in oecd countries economic conditions play an important part in explaining both the stock of disability benefit claimants and inflows to and outflows from that stock employing a variety of cross country and country specific household panel data sets as well as administrative data we find strong evidence that local variations in unemployment have an important explanatory role for disability benefit receipt with higher total enrolments lower outflows from rolls and often higher inflows into disability rolls in regions and periods of above average unemployment in understanding the nature of the cyclical fluctuations and trends in disability it is important to distinguish between work disability and health disability the former is likely to be influenced by economic conditions and welfare programmes while the latter evolves in a slower fashion with medical technology and demographic changes there is little evidence of health disability being related to the business cycle so cyclical variations are driven by work disability the rise in unemployment due to the current global economic crisis is expected to increase the number of disability insurance claimants

the benefits of formalization evidence from vietnamese manufacturing smes summary based on unique panel data consisting of both formal and informal firms this paper uses a matched double difference approach to examine the relationship between legal status and firm level outcomes in micro small and medium manufacturing enterprises smes in vietnam controlling for determining factors and observable time variant factors that may simultaneously influence the decision to formalize and subsequent firm performance we find evidence that becoming officially registered leads to an increase in profits and investments and a decrease in the use of casual labor improved contract conditions for workers thus we conclude that formalizing is beneficial both to firms and the workers in these firms

disability insurance benefits and labor supply a critical input for assessing the optimal size of disability insurance programs is the elasticity of labor force participation with respect to the generosity of benefits unfortunately this parameter has been difficult to estimate in the context of the u s disability insurance program since all workers face an identical benefits schedule i surmount this problem by studying the experience of canada which operates two distinct disability insurance programs for quebec and for the rest of canada the latter program raised its benefits by 36 percent in january 1987 whereas benefits in quebec were constant i find a sizable labor supply response to the policy change my central estimates imply an elasticity of labor force nonparticipation with respect to disability insurance benefits of 0 28 0 36

the effect of implicit contracts on the movement of wages over the business cycle evidence from micro data in this paper we address the question of whether wages are affected by labor market conditions in a manner more consistent with a contract approach than with a standard spot market model from a simple implicit contract model we derive implications about the links between wages and past labor market conditions using individual data from the current population survey and the panel study of income dynamics we find that an implicit contract model with costless mobility describes these links better than either a simple spot market model or an implicit contract model with costly mobility

agriculture reform and food crisis in syria impacts on poverty and inequality abstract the paper pursues a twofold objective from a methodological viewpoint it shows how to carry out an impacts evaluation of exogenous shocks on poverty and inequality in a context characterised by out of equilibrium poorly adjusting markets as it is the case in many developing countries using a social accounting matrix framework from an empirical viewpoint it provides an assessment of how the cereal price spikes of 2007 2008 and the global recession of 2008 2009 have impacted the welfare of syrian households and how did they compound with the on going agricultural sector liberalisation implemented by the government of syria since mid 1990s this will contribute to shed some lights on the economic background behind the spreading of unrest across the country over the last couple of years or so the results show that liberalisation impacts are very different and largely affected by the adopted budget closure rules while reforms aiming at reducing agricultural market distortions such as production subsidies and price support for strategic crops could generally have a positive effect on growth poverty and inequality the elimination of food security interventions such as food stamp schemes determines an adverse distributional impact against rural household and an increase of poverty the recent macroeconomic shocks food price crisis and the global recession determined a generalised poverty increase and showed an income distribution bias against rural households three fundamental policy implications can be drawn by this study first the liberalisation of agricultural sector shows a significant growth potential and is likely to determine positive effects on poverty through a generalised increase of incomes as well as public budget savings that could be used for pursuing other policy goals second in the short run there is a structural trade off between equity improvements and poverty alleviation the policy options that will more likely reduce absolute poverty show undesirable distributive biases both on overall inequality and on rural households vis a vis urban households third the reform should include a careful design of the use of budget savings mainly to address equity goals that are likely to be generated in the short run by liberalisation

the health and earnings of rejected disability insurance applicants applicants for social security disability benefits who fail to pass the medical screening form a natural control group for beneficiaries data drawn from the 1972 and 1978 surveys of the disabled done for the social security administration show that fewer than 50 percent of rejected male applicants work typical earnings of those that do are less than 59 percent of median earnings for other men their age these data cast doubt on recent econometric work that suggests that the disincentive effects of the social security disability program have been substantial copyright 1989 by american economic association

unemployment insurance takeup rates and the after tax value of benefits the recent decline in the unemployment insurance ui takeup rate has puzzled researchers using administrative data with accurate information on the potential level and duration of benefits we examine whether a separating employee receives ui we find a strong positive effect of the benefit level on takeup and smaller effects of the potential duration and the tax treatment of benefits simulations indicate that the recent inclusion of ui in the income tax base can account for most of the previously unexplained decline in ui receipt

mobility in the urban labor market a panel data analysis for mexico abstract we analyze mobility in urban mexico between three labor market states working in the formal sector working in the informal sector and not working a dynamic multinomial logit panel data model with random effects is used explaining the labor market state of each individual during each time period the data are drawn from mexico s urban employment survey a quarterly household survey for urban mexico while some of the descriptive statistics suggest that informal sector jobs are inferior to formal sector jobs formal tests cannot reject the null hypothesis of equal transition rates between formal and informal sector jobs for homogeneous groups of workers looking at entry and exit into and out of nonemployment we find that transitions from formal sector jobs to nonemployment were less likely than transitions from informal sector jobs to nonemployment in 1992 but not in 1999 suggesting that employment protection in the formal sector has been reduced

modeling prices in a sam structure the aim of this paper is to develop an intersectoral price model in a social accounting matrix traditionally the emphasis of the social accounting methodology has been on quantity oriented models and their income effects in contrast the authors use the social accounting matrix to develop a price model that captures the interdependence among activities households and factors and provides a complete set of accounting prices furthermore they use decomposition techniques to trace underlying general equilibrium effects copyright 1995 by mit press

decomposing multipliers for economic systems involving regional and world trade this paper is concerned with the analysis of linkages between economic systems and the spillover and possible feedback effects one system may have on another it is not a new topic the initial stimulus in the literature coming from machlup i943 and the seminal papers by metzler i950 and chipman i950 almost precisely the same questions raised by these authors have been readdressed subsequently by many writers and in a variety of contexts most recently goodwin i983 has developed a world matrix multiplier with much the same overall objectives as machlup and metzler in mind metzler s proposition was to understand the mechanism by which an expansion or contraction of income in one region or country is transmitted to other regions or countries in addition he assumed that the conclusions apply without modification to the regions within a single country or indeed to any regional classification of the world economy such as the economies comprising eastern europe western europe latin america and similar regions 2 in fact the question has also long occupied the attention of many regional economists working in the context of sub national regions the question of interdependence between sub national regional economies generally assumes a special importance simply because such regions are relatively open economies and are subject to fewer natural and artificial barriers to commodity trade and factor movements than may exist between countries 3 even so interest has focused almost exclusively on regional interdependence through commodity trade and within the framework of multiregional input output systems 4 however there are some exceptions klein and glickman i 9 77 have developed a multiregional model of a fairly aggregative nature which incorporates other regional interdependencies a review of this and similar models has been carried out by glickman i97 7 paralleling this interest in inter regional interdependence at the sub national level there has been a revived interest in questions of linkage at the international level with the advent of the project link model pioneered by klein and hickman 5 the united nations model of the world economy leontief et al

disability insurance rejection rates and the labor supply of older workers abstract we investigate the effects of trying to mitigate moral hazard in the disability insurance di program by raising the stringency of the screening process for applicants we do so by studying a dramatic increase in rejection rates for the di program in the late 1970s which varied substantially across the us states we find that each 10 rise in denial rates led to a statistically significant 2 8 fall in labor force non participation among 45 64 year old males we also find that the denial rate increases effectively targeted their incentive effects to more able individuals according to an anthropometric measure of disability

distinguishing income from substitution effects in disability insurance a set of studies conducted over the last 15 years has produced a near consensus that the social security disability insurance system ssdi has substantial disincentive effects on the labor supply of near elderly males diminishing labor force participation increasing the sensitivity of labor force exit decisions to adverse economic shocks and encouraging those nearing retirement to claim disability benefits and subsequently transfer into the social security retirement program yet efforts by the social security administration ssa to encourage labor supply among the disabled by removing the work disincentives built into ssdi have been almost entirely unsuccessful most notably in 1999 congress authorized the ticket to work program which provides an array of inducements for current ssdi beneficiaries to take up employment including permitting a trial work period of up to nine months providing 7 75 years of ongoing medicare eligibility following return to work and providing three years of automatic benefit reinstatement when claimants workplace earnings fall below a threshold level each of these steps reduces the implicit tax placed on labor supply by the ssdi program despite these lures fewer than 1 400 0 01 percent of the 12 2 million tickets issued to date have led to successful workforce integration autor and duggan 2006

assessing the effect of payroll taxes on formal employment the case of the 2012 tax reform in colombia in 2013 colombia implemented a tax reform that reduced payroll taxes by a total of 13 5 percentage points of wages this paper evaluates the effects of this component of the 2012 colombian tax reform on firms formal employment and average wages we construct a panel of firms based on their employees administrative records to account for the endogeneity of the treatment we use an instrumental variables technique that exploits the exogenous variation from the decisions of firms that are similar to each other in several dimensions but belong to different economic sectors based on our preferred specification we estimate a positive and significant increase in formal employment as a result of the implementation of the reform of approximately 213 000 jobs in existing pre reform firms in the long run these effects will increase to more than 600 000 jobs the effect of the reform on the average wages paid by firms was also found to be positive for some sizes of firms but the overall effect in the short run is rather small

disability transfers self reported health and the labor force attachment of older men evidence from the historical record we use trends in self reported disability to gauge the impact of the growth of disability transfer programs on the labor force attachment of older working aged men our tabulations suggest that between 1949 and 1987 about half of the 4 9 percentage point drop in the labor force participation of men aged 45 54 and between one quarter and one third of the 19 9 point drop among men aged 55 64 represented a movement of men out of the labor force and onto the rolls of transfer programs targeted at the disabled since the expansion of transfer programs represents only one of the forces behind this movement these figures represent upper bounds on the impact of such programs on work force attachment

do the vietnamese support the economic doi moi abstract each reform implies social and economic changes after experiencing war and reunification today vietnam is implementing a comprehensive and deep process of renovation doi moi but a revolution needs the support of the population to be successful this article investigates whether the vietnamese are supportive of some of the main features of a market economy in particular the preferences for competition ownership of firms either private or public and income inequality as an incentive to productivity are studied here the data allow us to conclude that the doi moi is not at risk but the population tend to contrast income inequality

incarceration and racial inequality in men s employment to estimate employment population ratios for black and white men with an adjustment for incarceration a factor overlooked by most research on employment inequality the authors combine data from sur

global value chains large scale farming and poverty long term effects in senegal this paper presents panel data evidence on the impact of expansion of global value chains and large scale export oriented farms in developing countries over almost a decade we estimate the income effects of wage employment on large scale farms in the horticultural export sector in senegal using data from two survey rounds covering a seven years period of rapid expansion of the sector we estimate average income effects as well as heterogeneous income effects using fixed effects and quantile fixed effects regressions we find that poverty and inequality reduced much faster in the research area than elsewhere in senegal employment in the horticultural export sector is associated with higher household income and the income effect is strongest for the poorest households expansion of the horticultural export sector in senegal has been particularly pro poor through creating employment that is accessible and creates substantial income gains for the poorest half of the rural population these pro poor employment effects contrast with insights in the literature on increased inequality from rural wage employment

economic aspects of optimal disability benefits this paper analyzes optimal disability and retirement or welfare benefits with imperfect disability evaluation with some able workers judged disabled and some disabled workers judged able thus the levels of both disability and retirement benefits affect labor supply with anyone not working eligible for retirement benefits we analyze the optimal structure of benefits for a given disability screening mechanism and briefly consider the problem of optimal evaluations of disability evidence in the united states there is an overlap in eligibility for disability and retirement portions of social security more generally welfare is sometimes available to people denied disability benefits

an in depth economic restructuring framework by using particle swarm optimization abstract the aim of this paper is the development of an integrated framework based on environmental input output analysis for optimizing the economic structure of an economy the restructuring process is approached as a constraint optimization problem where the optimized variables are the elements of the matrix of domestic technical coefficients a method for determining the optimal level of the productive linkages of an economy in order to maximize its output with the minimal greenhouse gas emissions the possible is suggested the proposed methodology is able to join both environmental and economic policy targets in the form of predefined constraints the objective function which is going to be minimized expresses the greenhouse gas emissions ghg intensity or ghg emissions per unit of output a particle swarm algorithm is employed for the solution of the optimization problem an illustrative application to the greek economy was carried out the experimental results revealed that if the greek economy will apply policies for boosting the sectors of high and medium high r d intensity then the greenhouse gas emission per unit of gross domestic product of greece would be reduced furthermore the promotion of high and medium high r d intensity sectors is connected with an important improvement of the production linkages to a wide range of sectors highlighting the important spillover effect of the suggested restructuring process

investigating multi regional cross industrial linkage based on sustainability assessment and sensitivity analysis a case of construction industry in china abstract construction industry is one of the most energy intensive industries and its output value plays a vital role in economic growth of china it s expected to be valuable to investigate its sustainability and improvement paths under the background of environment friendly and conservation minded development at first we adopted a non radial data envelopment analysis incorporating both natural and managerial disposability to study regional differences regards comprehensive performance of construction industry in china and then a multi regional cross industrial linkage analysis was carried out embodiment in the sustainable assessment and sensitivity analysis based on the ghosh model accordingly we intended to provide a systematic relational network focusing on the key provinces and industries which play important roles in improving the comprehensive performance of construction industry in detail hebei shanghai hubei yunnan and gansu were found to be the most inefficient on account of the results from sustainable assessment in 2007 in accordance with the results from the sensitivity analysis based on the regional input output model the adjustment of rationing in mining processing of ores manufacture of non metallic mineral products and smelting pressing of metals will effectively increase the comprehensive performance of construction industry in the above mentioned provinces emphatically the method integration used in this study which could also be applied in other sectors and countries is a new try to study an industry from the multi regional and cross industrial perspective

unobserved heterogeneity and the relation between earnings and firm size evidence from two developing countries abstract large firms in ghana and kenya pay much higher wages than small ones we use panel data to show this is not the result of employing high ability individuals the size effect remains substantial with controls for individual fixed effects

the impact of economic conditions on participation in disability programs evidence from the coal boom and bust abstract we examine the impact of the coal boom of the 1970 s and the coal bust of the 1980 s on disability program participation these shocks provide clear evidence that as the value of labor market participation increases disability program participation falls for the disability insurance program the elasticity of payments with respect to local earnings is between 0 3 and 0 4 and for supplemental security income the elasticity is between 0 4 and 0 7 consistent with a model where qualifying for disability programs is costly the relationship between economic conditions and program participation is much stronger for permanent than for transitory economic shocks

the changing role of non farm household enterprises in vietnam summary in this paper we study the importance of the non farm household enterprise nfhe sector in vietnam we do find that nfhes increase income and reduce between household inequality however the role of the nfhe sector has been diminishing especially in urban areas and the nfhes have been affected by trade liberalization in the period 1993 2002 in terms of policy this suggests that there is increasing scope for targeting nfhe sector policies at those nfhes that are in the best position to benefit from the new opportunities in the liberalizing environment

assessing industry linkages using regional input output tables midmore p munday m and roberts a 2006 assessing industry linkages using regional input output tables regional studies 40 329 343 the regional policy literature has shown renewed interest in the promotion of industries with the potential to embed themselves into regional economies unfortunately analysis of sectors within strategy led documents often fails to tie the identification of key industries to any specific methodology the paper demonstrates the use of several alternative methods of evaluating inter industry linkages using input output tables in particular and following the work of dietzenbacher 1992 it uses financial information from welsh input output tables for 1995 to derive a measure giving specific insights into regional industry interdependency and the presence of relatively self contained groups of activity this is the first time that this more complex measure has been applied to a regional transactions table in the uk with the method shown to be of direct relevance to a

employment vulnerability and earnings in urban west africa this article develops indicators of vulnerability in employment in seven economic capitals of west africa and studies their links with individual incomes quantitative distributional and qualitative analyses show that vulnerability compensating mechanism is mainly seen in the informal sector in the upper tail of the earnings distribution and particularly in the circumstance of visible underemployment employment vulnerability is not compensated for the poorest workers in the private sector long job queues and weak institutional protection of workers may have reduced bargaining power in the formal sector

screening disability insurance applications this paper investigates the effects of stricter screening of disability insurance applications a large scale experiment was setup where in two of the 26 dutch regions case workers of the disability insurance administration were instructed to screen applications more stringently the empirical results show that stricter screening reduces long term sickness absenteeism and disability insurance applications we find evidence for direct effects of stricter screening on work resumption during the period of sickness absence and for self screening by potential disability insurance applicants stricter screening seems to improve targeting efficiency without inducing negative spillover effects to the inflow into unemployment insurance the costs of stricter screening are only a small fraction of the monetary benefits

disability screening and labor supply evidence from south africa yet research that examines the poverty reduction and labor supply effects of disability programs has taken place exclu sively in developed countries with relatively low unemployment and high labor force participa tion rates in developing countries with high unemployment rates the disincentive effect of cash transfers on labor supply has often been assumed to be economically insignificant anne case and angus deaton 1998 in this paper i provide initial evidence on and draw attention to the effect of the south africa disability grant dg program on labor supply in the context of a policy change in disability screening i use a difference in differences estimator to assess the effect of a change toward a less intensive dis ability screening on labor force nonparticipation for older individuals if screening for disability benefit programs were perfect the supply of disability benefits would be independent of labor supply decisions and only those unable to work due to health con ditions would receive benefits however the dis ability screening process is imperfect because it is in practice difficult to determine whether a person is able to work which is the typical test of eligibility for disability benefit programs recent evidence suggests that the work disincen tive effects of disability benefits are expected to

public private sector wage gap by gender in egypt evidence from quantile regression on panel data 1998 2018 abstract this paper estimates the public formal private wage gap in egypt using egypt labor market panel survey for the 20 year period of 1998 2018 for men and women separately we estimate the public formal private sector wage gap with wage equations including a public sector indicator both at the mean and at different quantiles of the conditional wage distribution using the panel feature of the data we also address the endogenous employment and the sector of employment selection issue and find a persistent public wage penalty for the males and public wage premium for the females except at the top even after controlling for the observable and the time invariant unobservable characteristics we further examine the public wage gap over time and in different sub samples by potential experience skill levels and regions generally the results are consistent with a decrease in the public wage gap for both men and women over the period considered we further provide evidence on the quality of workers we find that the public sector fails to attract better quality men throughout the conditional wage distribution while it manages to attract better quality women in the lower parts of the conditional wage distribution but not at the top all on the basis of time invariant unobservable attributes these results indicate concern for the efficient provision of public services