selection investment and women s relative wages over time in theory growing wage inequality within gender should cause women to invest more in their market productivity and should differentially pull able women into the workforce our paper uses heckman s two step estimator and identification at infinity on repeated current population survey cross sections to calculate relative wage series for women since 1970 that hold constant the composition of skills we find that selection into the female full time full year workforce shifted from negative in the 1970s to positive in the 1990s and that the majority of the apparent narrowing of the gender wage gap reflects changes in female workforce composition we find the same types of composition changes by measuring husbands wages and national longitudinal survey iq data as proxies for unobserved skills our findings help to explain why growing wage equality between genders coincided with growing inequality within gender

the gender gap fertility and growth changes in fertility have long been recognized as important correlates of economic growth with the relationship between the level of fertility and the level of income per capita being one of the strongest observable correlations in cross country data this paper examines the linkages between fertility and growth theory the structure of the model is presented in sections on production couples decision making system dynamics and steady state equilibria the first component of the model is that increases in capital per worker raise womens relative wages since capital is more complementary to womens labor input than to mens the second component is that increasing womens relative wages reduces fertility by raising the cost of children more than household income finally lower fertility raises the level of capital per worker a positive feedback loop generates demographic transition a rapid decline in fertility accompanied by accelerated output growth

micro data heterogeneity and the evaluation of public policy nobel lecture this paper summarizes the contributions of microeconometrics to economic knowledge four main themes are developed 1 microeconometricians developed new tools to respond to econometric problems raised by the analysis of the new sources of micro data produced after the second world war 2 microeconometrics improved on aggregate time series methods by building models that linked economic models for individuals to data on individual behavior 3 an important empirical regularity detected by the field is the diversity and heterogeneity of behavior this heterogeneity has profound consequences for economic theory and for econometric practice 4 microeconometrics has contributed substantially to the scientific evaluation of public policy

skill biased technological change and rising wage inequality some problems and puzzles the recent rise in wage inequality is usually attributed to skill biased technical change sbtc associated with new computer technologies we review the evidence for this hypothesis focusing on the implications of sbtc for overall wage inequality and for changes in wage differentials between groups a key problem for the sbtc hypothesis is that wage inequality stabilized in the 1990s despite continuing advances in computer technology sbtc also fails to explain the evolution of other dimensions of wage inequality including the gender and racial wage gaps and the age gradient in the return to education

increasing earnings inequality and the gender pay gap in canada prospects for convergence this paper retraces the evolution of canadian women s labour force participation and of the gender earnings ratio across the generations to understand better the prospects for gender convergence in pay using data from the public use labour force surveys lfs and administrative annual earnings data from the longitudinal worker files lwf the paper assesses the role of increasing top earnings inequality in the persistence of the gender pay gap having identified a growing role for the under representation of women among top earners the paper then performs an evaluation and critical analysis of existing gender equality policies centred on horizontal occupational gender segregation and discusses alternative policies for the future

real wages over the business cycle evidence from panel data one topic on which keynes did not disagree with classical economists was the cyclical behavior of real wages keynes 1936 as well as various classical writers predicted that real wages should move countercyclically quoting the general theory p 17 in general an increase in employment can only occur through the accompaniment of a decline in real wages thus i am not disputing this vital fact which the classical economists have rightly asserted as indefeasible this prediction is based on the premise of competition and a given short run capital stock increases in employment then correspond to more intensive use of capital and through diminishing product lower real wages for this reason evidence by dunlop 1938 and tarshis 1939 that real wages move procyclically was viewed as paradoxical both dunlop and tarshis based their findings on an observed positive correlation between real and money wages which given the procyclical movement of money wages implies a positive correlation between

are women s wage gains men s losses a distributional test department of economics university of british columbia vancouver bc v6t 1z1 and department of economics crde cirano universite de montreal montreal pq h3c 3j7 lemieux is also affiliated with the nber we thank paul beaudry richard blundell richard freeman and robert haveman for helpful comments and discussions we gratefully acknowledge financial support from the social sciences and humanities council of canada and from fcar quebec 1 the gender wage ratio and the 90 50 wage ratio for men are calculated from the current population survey cps data provided by epi http www epinet org the 1980 s trends in the gender gap emerged from average real increases of 0 5 percent per year in women s median wages and average real declines of 1 percent per year in men s median wages

pride and prejudice using ethnic sounding names and inter ethnic marriages to identify labour market discrimination labour markets discriminate against workers with particular ethnic sounding names we use non random sorting into interethnic marriage and salient differences between sephardic and ashkenazi surnames to evaluate the causal impact of sephardic affiliation on wages using the 1995 israeli census we estimate the effect of a sephardic sounding surname on wages we first compare the wages of israeli jewish males born to sephardic fathers and ashkenazi mothers sa who are more likely to carry a sephardic surname with the wages of israeli jewish males born to ashkenazi fathers and sephardic mothers as we find that israeli labor markets discriminate based on perceived ethnicity sa workers earn significantly less than their as counterparts we then exploit the custom of women to adopt their husbands surnames to disentangle actual ethnicity from the ethnicity perceived by the market consistent with ethnic discrimination based on surnames we find that it is father in law s ethnicity rather than father s ethnicity that shapes female wage rates finally we find that labor markets discriminate based on surname only when those names provide additional information about ethnicity when ethnicity can be discerned from skin tone surnames do not provide additional explanatory power with respect to wages

the trend in the male female wage gap in the united states despite the rise in the feminist movement the enactment of equal opportunity legislation and the rapid increase in women s labor force participation a substantial sex differential in wages has persisted in the united states for at least 4 decades measured by hourly earnings of year round workers this wage gap was 31 in 1955 widened to a 35 37 range by the 1960s and early 1970s and then narrowed to 33 by 1982 this paper examines the extent to which changes in the characteristics of men and women in the labor force and other factors can account for the observed pattern the main finding is that increases in women s labor force participation were initially associated with a declining skill level of employed women relative to employed men where skill is measured by years of schooling and job tenure more recently the work experience of employed women has been increasing which helps account for the recent narrowing trend in the wage gap during the 1970s the wage gap probably woul have narrowed m

regional labor markets and the determinants of wage inequality from 1972 to 1990 the united states experienced the largest increase in wage inequality of any developed country the spread in log wages between the 90th and 10th percentiles of the male wage distribution increased by about 60 points and inequality increased within virtually every demographic or skill category of the labor force see chinhui juhn et al 1993 various explanations have been offered including changes in the relative demand for skill intensive goods international trade immigration of less skilled workers and increased labor force participation of women yet attempts to quantify the relative importance of these factors have not met with much success this leaves skill biased technical change as the residual claimant that rationalizes the data this paper uses regional differences in the evolution of wage inequality to provide new evidence on the determinants of relative wages using a model of factor demand in geographic markets i isolate contributions of i changing skill ratios in the labor force ii increased participation of women iii technical change and iv changes in the industrial composition of labor demand the data indicate that changing skill ratios and women s labor supply have affected the wages of low skilled men in the west the data indicate that increased immigration of less skilled hispanic and asian workers has adversely affected the wages of natives causing a greater increase in inequality there than in any other region of the country i modeling wage inequality in regional markets

changes in the male female wage gap 1976 85 this study uses detailed information on work experience tenure and on the job training collected in the 1976 and 1985 questionnaires of the panel study of income dynamics to account for changes in wage differentials between white men and white women over these nine years decompositions of changes in the wage gap are used to illustrate the contribution of individual factors between 1976 and 1985 the wage gap between white men and women narrowed by approximately 4 percent this study finds that nearly 50 percent of this reduction was due to average changes in job tenure and other work history variables over this period

unequal pay or unequal employment a cross country analysis of gender gaps we analyze gender wage gaps correcting for sample selection induced by nonemployment we recover wages for the nonemployed using alternative imputation techniques simply requiring assumptions on the position of imputed wages with respect to the median we obtain higher median wage gaps on imputed rather than actual wage distributions for several oecd countries however this difference is small in the united states the united kingdom and most central and northern eu countries and becomes sizable in southern eu countries where gender employment gaps are high selection correction explains nearly half of the observed negative correlation between wage and employment gaps

low skilled immigration and parenting investments of college educated mothers in the united states evidence from time use data this paper uses several decades of u s time diary surveys to assess the impact of low skilled immigration through lower prices for commercial childcare on parental time investments using an instrumental variables approach that accounts for the endogenous location of immigrants we find that low skilled immigration to the united states has contributed to substantial reductions in the time allocated to basic childcare by college educated mothers of nonschool aged children however these mothers have not reduced the time allocated to more stimulating educational and recreational activities with their children understanding the factors driving parental time investments on children is crucial from a child development perspective

why the gender gap in wages narrowed in the 1980s since 1976 the gender gap in wages on average declined by about 1 per year this article focuses on identifying the factors underlying this trend three data sets are analyzed the current population survey the panel study of income dynamics and the national longitudinal survey we find that convergence in measurable work related characteristics schooling and work experience explains one third to one half the narrowing the remainder is attributable to a relative increase in women s returns to experience as well as to declining wages in blue collar work and other factors

engines of liberation electricity was born at the dawn of the last century households were inundated with a flood of new consumer durables what was the impact of this consumer durable goods revolution it is argued here that the consumer goods revolution was conducive to liberating women from the home to analyse this hypothesis a beckerian model of household production is developed households must decide whether or not to adopt the new technologies and whether a married woman should work can such a model help to explain the rise in married female labour force participation that occurred in the last century yes the housewife of the future will be neither a slave to servants nor herself a drudge she will give less attention to the home because the home will need less she will be rather a domestic engineer than a domestic labourer with the greatest of all handmaidens electricity at her service this and other mechanical forces will so revolutionize the woman s world that a large portion of the aggregate of woman s energy will be conserved for use in broader more constructive fields thomas alva edison as interviewed in good housekeeping magazine lv no 4 october 1912 p 436

china s land market auctions evidence of corruption this paper studies the urban land market in china in 2003 2007 in china all urban land is owned by the state leasehold use rights for land for re development are sold by city governments and are a key source of city revenue leasehold sales are viewed as a major venue for corruption prompting a number of reforms over the years reforms now require all leasehold rights be sold at public auction there are two main types of auction regular english auction and an unusual type which we call a two stage auction the latter type of auction seems more subject to corruption and to side deals between potential bidders and the auctioneer absent corruption theory suggests that two stage auctions would most likely maximize sales revenue for properties which are likely to have relatively few bidders or are cold which would suggest negative selection on property unobservables into such auctions however if such auctions are more corruptible that could involve positive selection as city officials divert hotter properties to a more corruptible auction form the paper finds that overall sales prices are lower for two stage auctions and there is strong evidence of positive selection the price difference is explained primarily by the fact that two stage auctions typically have just one bidder or no competition despite the vibrant land market in chinese cities

risk conservatism and the circumstances of utility theory expected utility theory is both positive and normative it claims on the one hand to describe and predict decisions individuals actually make under uncertainty its validity as a positive theory rests on empirical evidence as a normative doctrine on the other hand utility theory is prescriptive it is supposed to guide decision makers helping them figure out what to choose and why the status of its prescriptive claims rests on the appeal of the axioms that generate or define the theory empirical investigations into utility theory have established widespread and systematic tendencies among people to disobey the axioms of utility theory as fishburn points out theories of rational preference and choice in situations under uncertainty have come under increasing fire because of their inability to model certain types of reasonable and persistent patterns of preference 1 p 1 the problem is that the presence of such systematic reasonable patterns of preference casts doubt on the appeal of the axioms and thus on utility theory s normative status one cannot easily defend a prescriptive theory whose implications are widely and systematically rejected this tension has recently led a number of decision theorists to try to modify or develop alternatives to utility theory they have introduced new concepts such as expected regret into the theory to explain rational choice under uncertainty and they have proposed giving up one or another of the traditional axioms their aim is to modify the theory in order to create a better fit between norms or prescriptions and empirical observations our strategy in this paper is different we offer a counter example but our purpose is not to show some fault with the axioms of utility theory in many circumstances we find the standard theory is elegant and predictive of choice we offer the counter example to help identify circumstances when at least one of the axioms of utility theory seems to lack appeal rather than adjust the theory in an attempt to preserve its universal applicability we will argue that the standard theory is often a good one but not for all situations under certain circumstances therefore we must look for alternatives to expected utility maximization as the normative principle of choice risk benefit analysis rests to a large extent on the foundation of expected utility maximization characterizing circumstances in which utility theory has greater or lesser appeal provides a perspective on some recent controversies in resource economics for example the perspective helps explain why the application of risk benefit analysis is particularly troublesome to problems of long term latent toxic chemicals of species extinction or of resource depletion the problem and our strategy for resolving it have parallels in moral and political philosophy moral theory is also an attempt to defend prescriptive principles which can guide and evaluate human actions the theory of right action like the theory of rational choice is derived from intuitive first principles not public opinion polls but moral theories must also be revised or qualified when they prescribe actions that are widely rejected rawls refers to this delicate process of revising both theory and intuitions to create a better fit as reaching a point of reflective equilibrium that is the strategy of decision theorists like machina bell loomis and sugden and fishburn who want to revise the axioms of utility theory but rawls and other philosophers apply ansession sponsored jointly with the association of environmental and resource economists

the determinants of productivity in medical testing intensity and allocation of care a large body of research has investigated whether physicians overuse care there is less evidence on whether for a fixed level of spending doctors allocate resources to patients with the highest expected returns we assess both sources of inefficiency exploiting variation in rates of negative imaging tests for pulmonary embolism we document enormous across doctor heterogeneity in testing conditional on patient population which explains the negative relationship between physicians testing rates and test yields furthermore doctors do not target testing to the highest risk patients reducing test yields by one third our calibration suggests misallocation is more costly than overuse

domestic road infrastructure and international trade evidence from turkey poor domestic transportation infrastructure in developing countries is often cited as an important impediment for accessing international markets yet evidence on how transportation infrastructure improvements affect the volume and composition of exports is scarce drawing on the large scale public investment in expressways undertaken in turkey during the 2000s this paper contributes to our understanding of how internal trade costs affect regional exports and specialization two results emerge first we estimate that this road infrastructure project accounts for 15 percent of the export increase from interior regions generating a 10 year discounted stream of additional export revenues that amount to between 9 and 14 percent of the value of the investment second while the exports of all industries within a given region increase in response to improvements in connectivity to the international gateways of the country the magnitude of this increase is larger the more time sensitive an industry is accordingly we also observe an increase in the regional employment and revenue shares of such industries our results support the hypothesis that internal trade costs can be a determinant of international specialization and comparative advantage

heterogeneity and the effect of mental health parity mandates on the labor market health insurance benefit mandates are believed to have adverse effects on the labor market but efforts to document such effects for mental health parity mandates have had limited success i show that one reason for this failure is that the association between parity mandates and labor market outcomes vary with mental distress accounting for this heterogeneity i find adverse labor market effects for non distressed individuals but favorable effects for moderately distressed individuals and individuals with a moderately distressed family member on net i conclude that the mandates are welfare increasing for moderately distressed workers and their families but may be welfare decreasing for non distressed individuals

ethnic wage differences in malaysia parametric and semiparametric estimation of the chinese malay wage gap parametric and semiparametric estimated wage equations which correct for sample selection bias are used to assess the returns to eduction and extent of ethnic discrimination in peninsular malaysia in particular this paper focuses on the level of discrimination between malay and chinese men and women the andrews schafgans 1998 estimator is used to estimate consistently the wage equation intercept in the semiparametric case the results show that the chinese malay offered wage difference typically is larger in absolute value among women than men the strong discrimination favouring chinese over malays observed using the parametric results is negated by the semiparametric results 1998 john wiley sons ltd

semiparametric estimation of the intercept of a sample selection model this paper provides a consistent and asymptotically normal estimator for the intercept of a semiparametrically estimated sample selection model the estimator uses a decreasingly small fraction of all observations as the sample size goes to infinity as in heckman 1990 in the semiparametrics literature estimation of the intercept has typically been subsumed in the nonparametric sample selection bias correction term the estimation of the intercept however is important from an economic perspective for instance it permits one to determine the wage gap between unionized and nonunionized workers decompose the wage differential between different socioeconomic groups e g male female and black white and evaluate the net benefits of a social programme

changes in the distribution of male and female wages accounting for employment composition using bounds this paper examines changes in the distribution of wages using bounds to allow for the impact of nonrandom selection into work we show that worst case bounds can be informative however because employment rates in the united kingdom are often low they are not informative about changes in educational or gender wage differentials thus we explore ways to tighten these bounds using restrictions motivated from economic theory with these assumptions we find convincing evidence of an increase in inequality within education groups changes in educational differentials and increases in the relative wages of women

the economics of immigration this literature review concerns the impact of immigration on the economy of the host country focusing on the experience of the united states the emphasis is on the period from the 1970s to the 1990s the author shows that research earlier in this period generally concluded that the economic effects of immigration were positive but that more recent research on later migrations have generally concluded that immigration may be having an adverse effect on the earnings of native unskilled workers and be placing an increased burden on welfare programs the importance of such economic analysis for the formulation of appropriate migration policies is stressed

growth in women s relative wages and in inequality among men one phenomenon or two although increased wage inequality among men during the past three decades has received more attention the growth in women s wages has been equally remarkable in fact by one measure of inequality the ninth decile median ratio the proportional growth in inequality has moved in exact proportion with the female male wage ratio it is suggested that both result from expansion in the value of brains relative to brawn there is no way of knowing the full story of growth in women s relative wages and it is important not to dismiss the import of changing career patterns as is evident in the panel data increasing labor market participation must be important so too are the implications that follow the movement of women from the home to the job

wage inequality and family labor supply using the march current population surveys and the 1960 census this article describes earnings and employment changes for married couples in different types of households stratified by the husband s hourly wage while declines in male employment and earnings have been greatest for low wage men employment and earnings gains have been largest for wives of middle and high wage men these findings cast doubt on the notion that married women have increased their labor supply in the recent decades to compensate for the disappointing earnings growth of their husbands

women in the labor market and in the family t here are two themes in this paper the first an exercise in revisionist history argues that the conventional wisdom of an absence of any substantial labor market progress for women is mistaken instead throughout this century women s wages have been steadily rising relative to those of men a progress likely to accelerate in the next few decades our second theme contends that this labor market progress is not enough alongside their labor market advances the relative economic plight of many women is worsening the downside news is the increasing feminization of poverty a reflection of the growing instability of the american family

changes in college skills and the rise in the college wage premium the college wage premium for new labor market entrants rose sharply during the 1980s we ask how much of this change arose from changes in the skill level of the typical college graduate we find that skills attained prior to college as measured by standardized test scores and high school grades had no effect on the change in the college wage premium for men in contrast the returns to math ability rose considerably for women failing to account for math skills thus substantially overstates the growth in the female college wage premium skills acquired in college as reflected in the distribution of students across majors had important effects on the relative wages of men the trend away from low skill subjects such as education and toward high skill subjects such as engineering accounts for one fourth of the rise in the male college wage premium

bargaining sorting and the gender wage gap quantifying the impact of firms on the relative pay of women there is growing evidence that rm specic pay premiums are an important source of wage inequality these premiums will contribute to the gender wage gap if women are less likely to work at high paying rms or if women negotiate worse wage bargains with their employers than men using longitudinal data on the hourly wages of portuguese workers matched with balance sheet information for rms we show that the wages of both men and women contain rm specic premiums that are strongly correlated with employer productivity we then show how the impact of these rm specic pay dierentials on the gender wage gap can be decomposed into a combination of bargaining and sorting eects consistent with the bargaining literature we nd that women receive only 90 of the rm specic pay premiums earned by men notably we obtain very similar estimates of the relative bargaining power ratio from our analysis of between rm wage premiums and from analyzing changes in

gender bias and credit access we extract an exogenous measure of gender bias from survey responses by descendants of u s immigrants on questions about the role of women in society we then use data on around 6 000 small business firms from 17 countries and find that in high gender bias countries female entrepreneurs are more likely to opt out of the loan application process and to resort to informal finance even though banks do not appear to actively discriminate against them these results are not driven by credit risk differences between female and male owned firms or by any idiosyncrasies in the set of countries in our sample

swimming upstream trends in the gender wage differential in the 1980s using michigan panel study of income dynamics data for 1979 and 1988 we analyze how a falling gender wage gap occurred despite changes in wage structure unfavorable to low wage workers the decrease is traced to gender specific factors which more than counterbalanced changes in measured and unmeasured prices working against women supply shifts net of demand were unfavorable for women generally and hurt high skilled more than middle and low skilled women by analyzing wages we find support for the notion of a gender twist in supply and demand having its largest negative effect on high skilled women

sustainable development differing perspectives of ecologists and economists and relevance to ldcs abstract the claim is now widely that it is desirable to aim for a sustainable society for sustainable economic development and for sustainable productive systems this reflects the outlook of ecologists rather than the majority of economists although a small group of economists does see particular virtue in sustainability the outlook of ecologists is illustrated by conway s criteria for assessing the desirability of agricultural systems this approach is shown to involve several unresolved conceptual issues this leads to a discussion of the policy of a safe minimum standard as proposed by some economists and the critique of expected utility and risk benefit analysis by page and maclean and whether this might provide a bridge between the views of economists and ecologists a basis is established for considering whether sustainability of productive systems is likely to be a more important goal in less developed countries than in developed countries further examples of the stress of ecologists on the production sustainability goal are given and additional policy prescriptions for instance involving nomadism and transhumance are discussed