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The causal effect of education on earnings

01 Jan 1999-Handbook of Labor Economics (Elsevier)-pp 1801-1863
TL;DR: This paper surveys the recent literature on the causal relationship between education and earnings and concludes that the average (or average marginal) return to education is not much below the estimate that emerges from a standard human capital earnings function fit by OLS.
Abstract: This paper surveys the recent literature on the causal relationship between education and earnings. I focus on four areas of work: theoretical and econometric advances in modelling the causal effect of education in the presence of heterogeneous returns to schooling; recent studies that use institutional aspects of the education system to form instrumental variables estimates of the return to schooling; recent studies of the earnings and schooling of twins; and recent attempts to explicitly model sources of heterogeneity in the returns to education. Consistent with earlier surveys of the literature, I conclude that the average (or average marginal) return to education is not much below the estimate that emerges from a standard human capital earnings function fit by OLS. Evidence from the latest studies of identical twins suggests a small upward "ability" bias -- on the order of 10%. A consistent finding among studies using instrumental variables based on institutional changes in the education system is that the estimated returns to schooling are 20-40% above the corresponding OLS estimates. Part of the explanation for this finding may be that marginal returns to schooling for certain subgroups -- particularly relatively disadvantaged groups with low education outcomes -- are higher than the average marginal returns to education in the population as a whole.
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Journal ArticleDOI
TL;DR: This paper found that educational attainment and college quality raise earnings, and the magnitudes of these effects have increased over time, and that these effects are disaggregated by sex, race, and parent's SES, including estimates of effects on earnings, labor force participation, family formation, and civic participation.

147 citations

Journal ArticleDOI
TL;DR: This paper examined the relationship between educational outcomes and the most basic input in the education production process (students' study time and effort) using unique new data from the Berea Panel Study.

147 citations

ReportDOI
TL;DR: This paper provided the first comprehensive analysis of the distributional effects of Head Start, using the first national randomized experiment of the Head Start program (the Head Start Impact Study), and explored the heterogeneous effects of the program through 1st grade by estimating quantile treatment effects under endogeneity (IV-QTE) as well as various types of subgroup mean treatment effects and two-stage least squares treatment effects.
Abstract: This study provides the first comprehensive analysis of the distributional effects of Head Start, using the first national randomized experiment of the Head Start program (the Head Start Impact Study). We examine program effects on cognitive and non-cognitive outcomes and explore the heterogeneous effects of the program through 1st grade by estimating quantile treatment effects under endogeneity (IV-QTE) as well as various types of subgroup mean treatment effects and two-stage least squares treatment effects. We find that (the experimentally manipulated) Head Start attendance leads to large and statistically significant gains in cognitive achievement during the pre-school period and that the gains are largest at the bottom of the distribution. Once the children enter elementary school, the cognitive gains fade out for the full population, but importantly, cognitive gains persist through 1st grade for some Spanish speakers. These results provide strong evidence in favor of a compensatory model of the educational process. Additionally, our findings of large effects at the bottom are consistent with an interpretation that the relatively large gains in the well-studied Perry Preschool Program are in part due to the low baseline skills in the Perry study population. We find no evidence that the counterfactual care setting plays a large role in explaining the differences between the HSIS and Perry findings.

146 citations

Journal ArticleDOI
TL;DR: In this article, the first rigorous estimations of the labor-market returns to community college certificates and diplomas, as well as the returns to the more commonly studied associate's degrees were provided.
Abstract: This article provides one of the first rigorous estimations of the labor-market returns to community college certificates and diplomas, as well as estimations of the returns to the more commonly studied associate’s degrees. Using administrative data from Kentucky, we estimate panel-data models that control for differences among students in precollege earnings and educational aspirations. Associate’s degrees and diplomas have quarterly earnings returns of nearly $2,400 for women and $1,500 for men, compared with much smaller returns for certificates. There is substantial heterogeneity in returns across fields of study. Degrees, diplomas, and—for women—certificates correspond with higher levels of employment.

146 citations

Journal ArticleDOI
TL;DR: The authors found that earning an associate degree or a long-term certificate is associated with increased wages, particularly for women, and that there is greater variation in returns to wages by the field of study than by degree type.
Abstract: This study provides one of the first estimates of the returns to different types of community college credentials—short-term certificates, long-term certificates, and associate degrees—across different fields of study. We exploit a rich data set that includes matched, longitudinal college transcripts and Unemployment Insurance records for students who entered a Washington State community college in 2001–2002. Our findings based on an individual fixed effect model suggest that earning an associate degree or a long-term certificate is associated with increased wages, particularly for women. We find that there is greater variation in returns to wages by the field of study than by degree type.

146 citations