can falling supply explain the rising return to college for younger men a cohort based analysis although the college high school wage gap for younger u s men has doubled over the past 30 years the gap for older men has remained nearly constant in the united kingdom and canada the college high school wage gap also increased for younger relative to older men using a model with imperfect substitution between similarly educated workers in different age groups we argue that these shifts reflect changes in the relative supply of highly educated workers across age groups the driving force behind these changes is the slowdown in the rate of growth of educational attainment that began with cohorts born in the early 1950s in all three countries

misclassified treatment status and treatment effects an application to returns to education in the united kingdom abstract we study the impact of misreported treatment status on the estimation of causal treatment effects focusing on applications where no additional information or repeated measurements are available we first characterize the bias introduced by misclassification on the average treatment effect on the treated att under a conditional independence assumption in both a binary and a multiple treatment setting we find that the bias of matching type estimators computed from misclassified data cannot in general be signed we subsequently provide easily implementable methods to bound the att of interest semiparametrically in particular allowing for very general forms of impact heterogeneity and of the no treatment outcome equations as well as for some dependence of the misreporting probabilities on individual characteristics the empirical problem that motivates our paper is the estimation of the wage returns to a number of educational qualifications in the united kingdom allowing for misreporting in a

sheepskin effects in the returns to education some previous discussions have dismissed screening theories of education partly on the ground that diploma years of education do not confer especially large earnings gains similarly most empirical research on earnings functions has assumed an absence of sheepskin effects we report evidence however of substantial and statistically significant sheepskin effects although this suggests that the previous dismissals of the screening hypothesis were premature our evidence of sheepskin effects is amenable to nonscreening interpretations also according to screening theories of education individuals with more schooling tend to earn more not because or at least not solely because schooling makes them more productive but rather because it credentiates them as more productive a frequently cited article by layard and psacharopoulos 1974 however dismissed the importance of the screening hypothesis on the grounds that several of its refutable predictions were not supported by available evidence one of these was the sheepskin prediction that wages will rise faster with extra years of education when the extra year also conveys a certificate after surveying a number of studies layard and psacharopoulous henceforth lp concluded that rates of return to dropouts are as high as to those who complete a course which refutes the sheepskin version of the screening hypothesis since publication of the lp paper an undergraduate labor economics textbook has cited lp s analysis of sheepskin effects as telling criticism of the screening hypothesis a prominent proponent of the screening hypothesis riley 1979 has accepted lp s summary of the empirical evidence but responded that some versions of the screening hypothesis do not imply sheepskin effects in the meantime the ongoing flood of empirical research on earnings functions typically has continued to treat the natural logarithm of the wage rate as a linear or occasionally quadratic function of years of education with no allowance for discontinuities in diploma years 2 the estimated rates of return used by lp were based on data that did not disaggregate dropouts earnings by how many years of school they had completed lp acknowledged we would have preferred to show the earnings gain associated with each year of the course including the year when it was successfully completed this note presents a reanalysis of sheepskin effects based on the type of data lp wished they had the results contain very strong evidence of sheepskin effects after all the next section describes our analysis and the following section summarizes and discusses our

long run identification in a fractionally integrated system we propose an extension of structural fractionally integrated vector autoregressive models that avoids certain undesirable effects on the impulse responses that occur if long run identification restrictions are imposed we derive the model s granger representation and investigate the effects of long run restrictions simulations illustrate that enforcing integer integration orders can have severe consequences for impulse responses in a system of u s real output and aggregate prices the effects of structural shocks strongly depend on the specification of the integration orders in the statistically preferred fractional model shocks that are typically interpreted as demand disturbances have a very brief influence on gdp supplementary materials for this article are available online

the economics of iron deficiency abstract this paper examines the evidence for a causal relationship between iron deficiency and a variety of functional consequences with economic implications motor and mental impairment in children and low work productivity in adults to the extent that we can be confident that iron deficiency does cause a consequence with economic implications this effect is quantified in economic terms illustrative calculations for 10 developing countries suggest that the median value of annual physical productivity losses due to iron deficiency is around 2 32 per capita or 0 57 of gdp median total losses physical and cognitive combined are 16 78 per capita 4 05 of gdp using a cost of 1 33 per case of anemia prevented from one of the few effectiveness studies of national fortification allows us to calculate the benefit cost ratio for long term iron fortification programs the median value is 6 1 for the 10 countries examined and rises to 36 1 including the discounted future benefits attributable to cognitive improvements this paper improves on previous work by including a much more thorough survey of the quantitative magnitudes involved and by incorporating effects of iron deficiency on cognition however more research is needed to verify the accuracy of the assumptions needed for this type of analysis

signalling or human capital evidence from the finnish polytechnic school reform we use data from the finnish polytechnic reform to distinguish between human capital and signalling theories of the value of education we find that the reform increased the earnings of polytechnic graduates compared with those graduating from the same schools before the reform as predicted by both the human capital and the signalling models however we also find that the relative earnings of vocational college graduates decrease after polytechnic graduates start entering the labour market this finding is inconsistent with the pure human capital model and can be interpreted as evidence that supports the signalling model

are those paid more really more productive the case of experience this study uses computerized personnel microdata on the white male managerial and professional employees at a major u s corporation to address the following question can the additional earnings which are associated with more labor market experience at a point in time really be explained by higher productivity at the same point in time our answer to this question based on both cross sectional and longitudinal information is that performance plays a substantially smaller role in explaining cross sectional experience earnings differentials and earnings growth than is claimed by those who have adopted the human capital explanation of the experience earnings profile this response depends critically on our assumption that the performance ratings which supervisors give to their white male managerial and professional subordinates adequately reflect the subordinates relative productivity in the year of assessment we present a great deal of evidence which strongly supports this assumption

changes in the u s wage structure 1963 1987 application of quantile regression the 1980 s witnessed rapid changes in the structure of wages in the united states in this study recently developed techniques for quantile regression are applied to every march current population survey since 1964 and changes in the return to schooling and experience at different points of the wage distribution are examined the quantile regression technique parsimoniously describes the entire conditional wage distribution this conditional distribution is used to examine changes in within group wage inequality as measured by the difference between conditional quantiles two linear models are considered a simple one group model and a 16 group model the results suggest that the returns to schooling and experience differ across quantiles of the wage distribution but their patterns of change are similar significant differences in wage inequality are also found across the various skill groups the paper also presents a new imputation method for cps data

human capital versus sorting the effects of compulsory attendance laws under the educational sorting hypothesis a state compulsory school attendance law will increase the educational attainment of high ability workers who are not directly affected hy the law under the human capital hypothesis such laws affect only those individuals whose hehavior is directly constrained we find that compulsory attendance laws do increase enrollment rates in age groups they do not affect directly thus our results contradict the human capital hypothesis and are consistent with the sorting hypothesis i introduction the last decade has seen considerable debate between supporters of the human capital and sorting models of education the former assert that the effect of education on wages reflects increased productivity the latter maintain that it reflects at least in part correlation between education and unobserved ability workers use education to signal their ability while employers use education to screen workers despite the importance of the debate no fully convincing tests of the hypotheses have been developed in fact many members of the profession maintain at least privately that these hypotheses cannot be tested against each other and that the debate must therefore be relegated to the realm of ideology in this paper we show that the models can be tested against each other by examining the effects of state compulsory school attendance laws we show that under the human capital hypotheis such laws will affect the educational attainment only of those who in the absence of the law would have left school prior to the minimum school leaving age on the other hand under the sorting hypothesis the effects of the law will percolate through the system increasing educational attainment even among workers not directly constrained by the law our results are consistent with the predictions of the sorting model

educational screening by certificates an empirical test this paper argues that the relevant test of wage screening effects should be based on educational certificates rather than years of schooling this is because information conveyed to firms about individual productivity through years of schooling is not sufficiently refined for making individual wage offer decisions although it may be useful for making hiring decisions

life after debt postgraduation consequences of federal student loans we estimate the causal effect of student loans on postgraduation labor market outcomes exploiting a kink in the formula determining eligibility for need based student loans using a representative sample of students graduating with a bachelor s degree in 1993 we find that student debt has nonnegative effects on earnings this result holds with differing levels of statistical significance across a battery of different empirical designs 1 ordinary least squares 2 partially linear and 3 regression kink we find similar results for the 2008 graduating cohort jel i22 i26 j32 j33

the political economy of the neoliberal transformation of french industrial relations the author advances the literature on the role of the state in the decentralization of industrial relations in france by providing a political economic analysis of right and left backed governments in recent decades while both have pursued reforms to reduce regulation and to increase labor market flexibility they have used the state apparatus in different ways to achieve these goals the right has reformed labor law by obtaining partial support from employers associations and unions the social partners the left by contrast has relied on decentralized bargaining with the social partners because its political base would not have accepted flexibility increasing legal reforms the author examines critical episodes of reform in collective bargaining unemployment insurance and employment protection laws to show how the state has intervened in different ways depending on the political identity of the governing coalition

the dynamic effects of aggregate demand and supply disturbances we interpret fluctuations in gnp and unemployment as due to two types of disturbances disturbances that have a permanent effect on output and disturbances that do not we interpret the first as supply disturbances the second as demand disturbances demand disturbances have a hump shaped mirror image effect on output and unemployment the effect of supply disturbances on output increases steadily over time peaking after two years and reaching a plateau after five years

is there a wage premium for volunteer oss engagement signalling learning and noise abstractvolunteer based open source production has become a significant new model for the organization of software development economics often pictures this phenomenon as a case of signalling individuals engage in the volunteer programming of open source software oss as a labour market signal resulting in a wage premium yet this explanation could so far not be empirically tested this article fills this gap by estimating an upper bound composite wage premium of voluntary oss contributions and by separating the potential signalling effect of oss engagement from other effects although some 70 of oss contributors believe that oss involvement benefits their careers we find no actual labour market premium for oss engagement the presence of other motives such as fun of play or altruism renders oss contributions too noisy to function as a signal

signaling versus contingent contracts with costly turnover abstract typical models of educational signaling assume firms are uncertain of worker ability however there are both theoretical and empirical problems with such models in contrast as in salop and salop quarterly journal of economics 90 1976 619 a model is considered in this paper in which individuals differ in the likelihood of quitting and firms are unaware of an individual s quit propensity education signals one s commitment to remain in a particular sector or occupation alternatively firms may offer back loaded wages contingent contracts that may avoid signaling the analysis suggests too little signaling may occur because contingent contracts may not be socially preferable to signaling and because individuals may prefer not to signal when signaling is efficient and contingent contracts are not chosen by firms

time allocation decisions associated with job market preparation undergraduate perceptions versus market realities a survey of agribusiness firms identifies characteristics associated with above average starting salary offers in the allied fields of agribusiness agricultural economics business and economics a complementary survey is made of students at texas a m university and university of georgia results show that firms value work experience and leadership experience more than students do whereas students value raising grade point average and interview preparation more than do firms students seeking a firm s maximum starting salary offer will need to enhance academic performance with substantial work experience and leadership experience copyright 2002 oxford university press

does longer compulsory schooling affect mental health evidence from a british reform abstract in this paper we examine whether longer compulsory schooling has a causal effect on mental health exploiting a 1972 reform which raised the minimum school leaving age from age 15 to 16 in great britain using a regression discontinuity design we find that the reform did not improve mental health we provide evidence that extending the duration of compulsory schooling impacts mental health through channels other than increased educational attainment we argue that these effects may mitigate or offset the health returns to increased educational attainment

long memory and persistence in aggregate output abstract we examine persistence in u s aggregate output by estimating fractionally integrated arima models these models provide better low frequency approximations to the wold representation than previous stochastic specifications and earlier results on the importance of a permanent component emerge as special cases we find evidence of long memory which induces persistence though this long memory need not be associated with a unit root our point estimates indicate that macroeconomic shocks while persistent are distinctly less persistent than many earlier studies suggest however confidence intervals associated with the long run response are quite wide

incentive compatibility in signaling games with a continuum of types on donne deux resultats utiles pour demontrer l existence et pour caracteriser des equilibres de separation dans des jeux de signalement

earnings effects of different components of schooling human capital versus screening in this paper the authors divide actual years of schooling into effective years repeated years skipped years inefficient routing years and dropout years estimation of earnings functions reveals that this topology is statistically superior to the usual concepts of either actual or effective years of schooling based on the authors distinction they formulate tests that discriminate between the human capital theory and the screening hypothesis the results give strong support to the human capital theory and refute the screening hypothesis

early late or never when does parental education impact child outcomes we estimate the causal effect of parents education on their children s education and examine the timing of the impact we identify the causal effect by exploiting the exogenous shift in parents education levels induced by the 1972 minimum school leaving age reform in england increasing parental education has a positive causal effect on children s outcomes that is evident in preschool assessments at age 4 and continues to be visible up to and including high stakes examinations taken at age 16 children of parents affected by the reform attain results around 0 1 standard deviations higher than those whose parents were not impacted

long memory in inflation rates international evidence we examine monthly inflation rates of five industrial countries the application of tests against stationarity as well as tests against a unit root yield contradictory results thus fractional integration allowing for long memory is a plausible model we discuss and apply the periodogram regression to estimate the difference parameters for all countries we find estimates significantly different from 1 as well as from 0 this is evidence in favor of long memory specification tests and maximum likelihood estimates support the fitted models finally we relate our empirical results to the construction of the data

formal human capital attainment of career legislators in the u s congress modeling legislatures as unions the present paper employs a human capital modelthat examines among other things the educationalattainment of career politicians legislators statistical evidence is presented which suggests thatthe formal educational levels differ systematicallybetween career and non career politicians legislatorsat the federal level i e in the u s congress a result consistent with the implications of thelegislative pay union model developed by mccormick andtollison 1978 any adverse selection consequencesare potentially significant regarding the quality offederal legislation and the social cost of governmentactivities

education human capital and growth a personal perspective this article reviews the literature on the relationship of economic growth to the education levels of the labor force the emphasis is on yoram ben porath s contribution to some of the issues in this field the endogeneity of schooling the role of the public sector as an absorber of educated labor and the importance of personal human capital created by investments in reputation and personal relationships the f connection

the design of optimal education policies this paper studies the education policy chosen by a utilitarian government in the model households differ in their income and in their children s ability income is observed by the government but ability is private information households can use private education but cannot borrow to finance it the government can finance education with income tax but at the cost of blunting the individuals incentive to exert labour market effort the optimal education policy we derive is elitist it increases the spread between the educational achievement of the bright and the less bright individuals compared to private provision it is also such that the education received by less bright individuals depends positively on their parental income finally the optimal education policy is input regressive in the sense of arrow 1971 quarterly journal of economics 38 175 208 households with higher income and brighter children contribute less in tuition fees towards the cost of the education system than households with lower income and less bright children

test scores educational opportunities and individual choice abstract a model combining student preferences for college with university admissions decisions is estimated to provide information on the role of test scores in the determination of post secondary educational opportunities in the u s in contrast to implications of much of the recent criticism of tests and their use we find that scholastic aptitude test scores are more strongly related to student application and choice of college quality than to college admissions decisions in addition although there is a substantial correlation between test scores and high school performance we find that both post secondary school preferences and ultimate opportunities are related as much to performance in high school as to test scores themselves although sat scores certainly exclude some persons from schools our findings indicate that they do not represent an overriding constraint on the college opportunities of high school graduates

optimal timing of college subsidies enrollment graduation and the skill premium abstract the large increase in the skill premium has led many policy makers to propose increasing college subsidies as a strategy to increase college enrollment and reduce inequality existing analyses typically assume that there is no distinction between enrollment and graduation but in fact more than 50 of college enrollees do not graduate this highlights the need to explicitly model the decision to drop out in assessing the effect of subsidies i build a general equilibrium model of education choice that features an explicit dropout decision calibrate it to match key features of the us economy and use it to evaluate the impact of college subsidies on the supply of college educated labor i show that moving to a system in which subsidies are back loaded i e higher for juniors and seniors than for freshmen and sophomores will increase the supply of college educated labor even holding total subsides constant in fact this effect is larger than what would be accomplished by a uniform 50 increase in subsidies

does it pay to attend an elite private college cross cohort evidence on the effects of college type on earnings although a substantial and rising labor market premium is associated with college attendance in general little is known about how this premium varies across institutions of different types and across time in this paper we explicitly model high school students choice of college type characterized by selectivity and control based on individual and family characteristics including ability and parental economic status and an estimate of the net costs of attendance we estimate selectivity corrected outcome equations using data from both the national longitudinal study of the high school class of 1972 and high school and beyond which permit us to determine the effects of college quality on wages and earnings and how this effect varies across time even after controlling for selection effects strong evidence emerges of a significant economic return to attending an elite private institution and some evidence suggests this premium has increased over time

schooling as human capital or a signal a new way is proposed to distinguish between the human capital and the signaling theories of the value of education if education is a signal then the essence of the signal should be distilled in the position of an individual in the distribution of education for his cohort estimating earnings equations that include both absolute years and relative percentile measures of education provides a test of the two competing theories analyzing two separate panel data sources under a range of alternative specifications we find that the years measure of schooling has a consistently significant positive effect on earnings but that the rank measure rarely does this evidence supports the conclusion that human capital rather than signaling is the predominant explanation of schooling s value

higher education elite institutions and inequality abstract we develop a model of higher education to analyze the effects of elite institutions on individual educational decisions and aggregate labor market outcomes elite institutions allow the most talented of a given population to separate themselves from the larger pool of agents enrolled in higher education and to earn the associated wage premium in the labor market as elite institutions engage in cream skimming the returns to publicly accessible education decrease and enrollment in public higher education declines the resulting effect on income inequality is ambiguous since elite education increases income dispersion at the top of the income distribution and decreases income dispersion at the bottom

the economics of financing higher education different arguments exist pro and contra tax financed subsidies in higher education it has been argued that private incentives to study are sufficiently high while the financing of those subsidies can be deemed regressive as they are co financed by relatively poorer non students alternatively several arguments have been put forward why higher tax financed subsidies are desirable such as externalities and credit constraints this study scrutinizes these different arguments and discusses the implications for the different ways in which higher education can be financed calculations of private returns across the oecd confirm that private incentives to invest in higher education are high however economic theory poses that it is the marginal social return that must guide policy which will reflect both equity and efficiency considerations we assess the potential regressivity of higher education subsidies using different perspectives and assess the different efficiency arguments for government intervention in higher education tax financed subsidies turn out to be regressive in most cases but depending on the perspective and the country under examination discussion of the efficiency arguments is focused on those that are most relevant in light of the empirical evidence and their relevance for the different financing modes externalities uninsurable risk credit constraints and misprediction we conclude that to deal with the more credible failures in higher education tax financed subsidies are blunt instruments for a large share of the countries under consideration shifting towards income contingent loans or graduate taxes appears more appropriate when taking into account both efficiency and equity considerations

the changing distribution of male wages in the uk this paper uses microeconomic data from the u k family expenditure surveys fes and the general household surveys ghs to describe and explain changes in the distribution of male wages since the late 1970s wage inequality has risen very fast in the u k and this rise is characterized both by increasing education and age differentials we show that a large part of the changes in the u k can be summarized quite simply as increases in eduction differentials and a decline of growth of entry level wages which persist subsequently this fact we interpret as cohort effects we also show that like in the u s an important aspect of rising wage inequality is increased within group wage dispersion finally we use the ghs to evaluate the role of alternative education measures

allocation of human capital and innovation at the frontier firm level evidence on germany and the netherlands this paper examines how productivity eects of human capital and innovation vary at dierent points of the conditional productivity distribution our analysis draws upon two large unbalanced panels of 6 634 enterprises in germany and 14 586 enterprises in the netherlands over the period 2000 2008 considering 5 manufacturing and services industries that dier in the level of technological intensity industries in the netherlands are characterized by a larger average proportion of high skilled employees and indus tries in germany by a more unequal distribution of human capital intensity except for low technology manufacturing average innovation performance is higher in all industries in germany and the innova tion performance distributions are more dispersed in the netherlands in both countries we observe non linearities in the productivity eects of investing in product innovation in the majority of indus tries frontier rms enjoy the highest returns to product innovation whereas the most negative returns to process innovation are observed in the best performing enterprises of most industries in both countries we nd that the returns to human capital increase with proximity to the technological frontier in industries with a low level of technological intensity strikingly a negative complementarity eect between human capital and proximity to the technological frontier is observed in knowledge intensive services which is most pronounced for the netherlands suggestive evidence for the latter points to a winner takes all interpretation of this nding

individual attributes and self selection of higher education college attendance versus college completion abstract we have estimated a joint discrete continuous utility maximization model of college attendance and college completion special attention is given to the possibility that test scores and other individual attributes are poor predictors of who will succeed in college and thus may not promote optimal investment decisions and may indeed unjustly limit the educational opportunities of some youth we find that 1 college attendance decisions are strongly commensurate with college completion persons who are unlikely to attend college would be very likely to drop out of even their first choice colleges were they to attend college human capital investment decisions are strongly mirrored by the likelihood that they will pay off 2 contrary to much of the recent criticism of the predictive validity of test scores we find that their informational content is substantial after controlling for high school class rank for example the probability of dropping out of the first choice college varies greatly with sat scores 3 individual self selection related to both measured and unmeasured attributes is the dominant determinant of college attendance

measuring core inflation in this paper we argue that measured rpi inflation is conceptually mismatched with core inflation the difference is more than just measurement error we propose a technique for measuring core inflation based on an explicit long run economic hypothesis core inflation is defined as that component of measured inflation that has no medium to long run impact on real output a notion that is consistent with the vertical long run phillips curve interpretation of the co movement in inflation and output we construct a measure of core inflation by placing dynamic restrictions on a vector autoregression var system

disability gender and the labour market in wales jones m k latreille p l and sloane p j 2006 disability gender and the labour market in wales regional studies 40 823 845 wales exhibits high rates of disability and inactivity and a higher incidence of mental health problems than other parts of britain using data from the welsh local labour force survey 2001 the results indicate that the low participation rate of the disabled in wales is partly attributable to their having fewer qualifications marginal effects suggest education could be a potent remedy for improving their labour market status in terms of the pay differential between disabled and non disabled individuals it would appear that disabled women in wales suffer disproportionately to disabled men only in the case of women is there evidence consistent with the presence of discrimination but this estimate is relatively small jones m k latreille p l et sloane p j 2006 l invalidite le genre et le marche du travail au pays de galles regional studies 40 823 845 le pa

does education raise productivity or just reflect it education has an important effect on wages but it not clear whether this is because education raises productivity or because education is simply a signal of ability we implement a number of existing tests for discriminating between these two explanations and find that they do not support the signalling hypothesis however we have severe reservations about these results and we propose an alternative test based on changes in education incentives caused by changes in the minimum school leaving age in the 1970s using this idea we find that uk data appear to strongly support the human capital explanation an important issue in the economics of education is that an individual s education has an effect on wages paid in the labour market for example blundell et al 2003 uses detailed education and subsequent earnings information for a cohort of male individuals born in 1958 to estimate that the returns to a uk degree typically of 3 year duration relative to graduating from high school at 18 with 2 a level qualifications a necessary but not sufficient condition for admission to university is a 24 wage premium human capital explanations pioneered by becker 1962 and schultz 1963 suggest that the correlation between education and wages is due to education enhancing productivity however earnings may rise in response to education not because of any effect on productivity but simply because education may act as a signal of productivity employers believing that education is correlated with productivity will screen workers for their education and pay higher wages to the more educated the employers beliefs will be confirmed by their experience if it is the case that high productivity individuals signal this by choosing high levels of education it will be optimal for individuals to behave in this way if the cost of acquiring education is less for high productivity individuals than it is for low productivity individuals thus under reasonable conditions the market will be characterised by a separating equilibrium where higher productivity individuals choose higher levels of education than lower productivity workers and earn correspondingly higher wages the theory is largely due to spence 1973 1979 and the subsequent empirical literature was reviewed by groot and oosterbeek 1994 riley 2001 provides an excellent modern survey chevalier harmon and walker are fellows of iza in bonn and are affiliated with the institute for the study of social change issc in dublin this paper is part of the issc policy evaluation programme chevalier and walker are also affiliated with the centre for the economics of education at the london school of economics lse the support of all of these bodies for facilitating our collaboration is acknowledged harmon is grateful to university college london for their hospitality during his nuffield foundation new career development fellowship in the social sciences comments from steve machin and three anonymous referees greatly improved the exposition of this paper we are also grateful to richard blundell and to seminar participants at the lse and the tinbergen institute in amsterdam for their comments and to vincent o sullivan for excellent research assistance the usual disclaimer applies

the logic and limits of desinflation competitive how could it be that starting with a keynesian marxian economic programme the socialists decided in 1983 two years after coming to power in france to adopt a diametrically opposed economic policy the desinflation competitive which has been maintained for fifteen years comprises an almost classic conservative policy substituting nominal stability wage restraint and public finance discipline for increased consumption nationalizations and devaluations this major shift in fact corresponds to the acknowledgement by the socialists of the new rules of opened and internationalized economies the desinflation competitive was certainly necessary in the early 1980s to correct severe imbalances however it appeared more and more irrelevant and counterproductive as inflation disappeared and unemployment kept on rising the failure of the desinflation competitive either to bring about disinflation other than through brutal market adjustments or to stop the rise in unemployment reveals the inability of the french socialists to build up genuine social democratic institutions and policies copyright 1998 by oxford university press

changes in compulsory schooling education and the distribution of wages in europe using data from 12 european countries and the variation across countries and over time in the changes of minimum school leaving age we study the effects of the quantity of education on the distribution of earnings we find that compulsory school reforms significantly affect educational attainment especially among individuals belonging to the lowest quantiles of the distribution of ability there is also evidence that additional education reduces conditional wage inequality and that education and ability are substitutes in the earnings function

commitment and satisfaction in the classroom and on the field evidence from a division i liberal arts college within higher education there has been a persistent concern that student athlete commitments to their athletic activities are detrimental to their academic studies we collect data on student athl

on the identification of fractionally cointegrated var models with the f d condition abstractthis article discusses identification problems in the fractionally cointegrated system of johansen and johansen and nielsen it is shown that several equivalent reparametrizations of the model associated with different fractional integration and cointegration parameters may exist for any choice of the lag length when the true cointegration rank is known the properties of these multiple nonidentified models are studied and a necessary and sufficient condition for the identification of the fractional parameters of the system is provided the condition is named f d this is a generalization of the well known i 1 condition to the fractional case imposing a proper restriction on the fractional integration parameter d is sufficient to guarantee identification of all model parameters and the validity of the f d condition the article also illustrates the indeterminacy between the cointegration rank and the lag length it is also proved that the model with rank zero and k lags may be an equivalent

the screening hypothesis an application of the wiles test according to wiles 1974 the screening and human capital theories of the return to education may be discriminated between by determining whether qualified individuals earn more by working in areas where their skills are relevant than they earn in other areas failure to do so is presumed to constitute evidence against human capital theory this paper applies the wiles test to a census of recent economics and science graduates from australian universities only for male science graduates is any evidence found in favour of human capital theory

changes in life cycle earnings what do social security data show a matched sample of social security and current population survey records is used to examine life cycle earnings patterns of white males over the 1951 1976 period estimated direct effects of schooling and experience compare well with other studies but interaction effects with cohort do not younger cohorts exhibit smaller marginal returns to schooling and larger marginal returns to experience but differences between cohorts are very small when demographic factors namely veteran status are controlled direct cohort effects are linear in these data and show no tendency to vary with cohort size

structural reforms in europe and the in coherence of institutions the aim of this paper is to analyse the consequences of some structural reforms on the institutional coherence of oecd countries particularly in continental europe and on their economic performance particularly as regards employment because institutions in developed political economies are interrelated through a complex network of complementarities institutional change has consequences beyond the area concerned in a reform this also implies that there are complementarity effects in reforms themselves a challenge of reform programmes is therefore to achieve a new type of complementarity between reformed institutions the paper presents empirical evidence questioning the compatibility of the ongoing structural reforms in product and labour markets with the existing institutional structures in some oecd countries the coherence of the flexicurity strategy i e a combination of labour market flexibility and a generous welfare state is also questioned from the point of view of both economic efficiency and political economy

sensitivity of impulse responses to small low frequency comovements reconciling the evidence on the effects of technology shocks this article clarifies the empirical source of the debate on the effect of technology shocks on hours worked we find that the contrasting conclusions from levels and differenced vector autoregression specifications documented in the literature can be explained by a small low frequency comovement between hours worked and productivity growth that gives rise to a discontinuity in the solution for the structural coefficients identified by long run restrictions whereas the low frequency comovement is allowed for in the levels specification it is implicitly set to 0 in the differenced vector autoregression consequently even when the root of hours is very close to 1 and the low frequency comovement is quite small removing it can give rise to biases of sufficient size to account for the empirical difference between the two specifications

earnings schooling ability and cognitive skills conventional estimates now available for a large number of countries generally indicate that the social returns to education are positive large and competitive with returns to investment in physical capital that such estimates are good guides for public resource allocation has however been questioned the heart of the problem lies in the interpretation of the positive relationship between the education and the earnings of workers whether as the conventional estimates assume the coefficient of the education variable in the earnings function measures the effect on the productivity of workers of human capital acquired in school it has been hypothesized that education in part or instead represents screening for native ability and motivation or credentialism and that as a consequence conventional measures of the social benefit of education are substantially upward biased 2 in this paper we attempt to distinguish the influence on earnings of cognitive achievement native ability and years of education as a means of adjudicating the human capital screening and credentialist hypotheses our econometric analysis is based on two rigorously comparable micro data sets from kenya and tanzania generated by surveys of the urban wage labor force specifically for this study these data sets contain the usual variables found in earnings function estimates of the benefits of schooling individual earnings years of education and years of employment experience in addition they contain two variables measures of the worker s cognitive skills and of his or her reasoning ability not previously found in studies of developing countries and only rarely found in studies of the education earnings relationship in developed countries 3 with these variables we can estimate the direct effects on earnings of cognitive skills ability and years of schooling by using them to estimate educational production functions and educational attainment functions and linking these functions with the earnings function in a recursive framework we can also assess the various indirect effects on earnings of ability and years of schooling having data sets from two countries very similar with respect to size resource endowments structure of production and employment and level of development means that not only can we subject our results to the usual statistical tests but we can also assess their replicability both kenya and tanzania have nearly achieved the objective of universal primary education while university enrollments remain at less than 1 percent of the relevant age group the important policy issues re boissiere development research department the world bank 1818 h street washington d c 20433 knight institute of economics and statistics oxford university sabot williams college williamstown ma 01267 we are grateful to the educational testing service of princeton for the design of tests used in this study and to j armitage j behrman j hausman d hendry d jamison and an anonymous referee for their insights and advice helpful comments were also received from participants in seminars at oxford and yale universities the views presented here are our own they should not be interpreted as reflecting those of the world bank george psacharopoulos 1973 1981 contains a listing of 44 countries in which rate of return studies had been conducted and of the estimates obtained 2for instance kenneth arrow 1973 mark blaug 1976 samuel bowles and herbert gintis 1976 john riley 1979 michael spence 1976 and lester thurow 1975 3for attempts to control for ability and or for cognitive achievement in studies for the united states see jere behrman et al 1980 gary chamberlain and zvi griliches 1977 griliches and william mason 1972 michael olneck 1977 paul taubman and terence wales 1974 taubman 1975 and david wise 1975 see also the survey articles by griliches 1977 1979 in most instances the data refer to special subgroups in the population and clear distinction cannot be made between natural ability and cognitive skills acquired in school

vive la revolution long term educational returns of 1968 to the angry students the famous events of may 1968 starting with student riots threw france into a state of turmoil as a result normal examination procedures were abandoned and the pass rate for various qualifications increased enormously the lowering of thresholds at critical stages of the education system enabled a proportion of students to pursue more years of higher education than would otherwise have been possible for those on the margin of passing their examinations additional years of higher education increased future wages and occupational levels interestingly the effect is also transmitted across generations and is reflected in the educational performance of children

baseball specific human capital why good but not great players are more likely to coach in the major leagues the career choice of retiring athletes provides an interesting example of a midcareer transition conditioned on specific human capital previous research examines the determination of earnings in professional sports 3 5 14 but does not consider how skills developed during an athlete s playing years affect subsequent opportunities in this paper i test the hypothesis that skills specific to baseball increase the probability a player will choose to coach the empirical work confirms the importance of baseball specific human capital in the decision to coach and provides some of the first formal evidence that the opportunities of star players differ distinctly from players that are marginally less talented in the theoretical section i develop a random utility model in which a retiring player chooses between coaching and non coaching careers on the basis of potential earnings and a random taste component earnings in either career are determined by a vector of career attributes that embody the player s productivity in each if the random taste component is normally distributed the probability a player chooses a coaching career can be estimated using probit the empirical results support the predictions of the model that baseball specific human capital is positively correlated with the probability of a player coaching and that star players are unlikely to coach because their marginal skill advantage is not baseball specific in particular the findings imply that players with long but unexceptional careers are more likely to coach in the major leagues an extension of the empirical model is applied to the issue of discrimination the insignificance of a black dummy variable suggests that black players have the same probability of coaching as comparably skilled white players however a more complex interactive specification suggests that relatively poor opportunities for black stars outside the game leads to their crowding out those black players who if they were white would most likely coach

the college wage premium and the expansion of higher education in the uk this paper reports estimates of the uk college premium for young graduates across successive cohorts from large cross section datasets for the uk pooled from 1994 to 2006 a period when the higher education participation rate increased dramatically the growth in relative labour demand suggests that graduate supply considerably outstripped demand which ought to imply a fall in the premium we find no significant fall for men and even a large but insignificant rise for women quantile regression results reveal a fall in the premium only for men in the bottom quartile of the distribution of unobserved skills

college selectivity and earnings this article shows that college performance and selectivity have significant effects on earnings it suggests that work that does not include college performance overstates the effect of college se