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This paper provides an expression for the bias of the OLS estimator of the schooling coefficient in a simple static … coefficient is biased upward, and the bias is increasing with potential labor-market experience and the degree of earnings … persistence. In addition, NLSY data are used to show that the magnitude of the persistence bias is non-negligible, and the bias …
Persistent link: https://www.econbiz.de/10009699444
Throughout the years spanned by the US Vital Statistics Linked Birth and Infant Death Data (1983-2002), birth weights are measured most precisely for children of white and highly educated mothers. As a result, less healthy children, who are more likely to be of low socioeconomic status, are...
Persistent link: https://www.econbiz.de/10008780312
This paper introduces bias-corrected estimators for nonlinear panel data models with both time invariant and time …/selection bias. We then estimate the primary equation by fixed effects including an appropriately constructed control function from … both steps might employ nonlinear fixed effects procedures it is necessary to bias adjust the estimates due to the …
Persistent link: https://www.econbiz.de/10003540299
We characterize the bias of propensity score based estimators of common average treatment effect parameters in the case … situations, even when selection is only on observables. -- Treatment effects ; propensity score ; bias ; unconfoundedness …
Persistent link: https://www.econbiz.de/10003747651
schooling and market ability is found to be positive and is consistent with the existence of a positive "Ability Bias". …
Persistent link: https://www.econbiz.de/10011411639
This study argues that the promotion of union goals could have positive, negative, or neutral effects on risk adjusted return performance. Moreover, the union's ability and incentive to use pension assets to promote union goals will vary with the design of the pension. Using panel data on over...
Persistent link: https://www.econbiz.de/10009153570
This paper is concerned with testing the time series implications of the capital asset pricing model (CAPM) due to Sharpe (1964) and Lintner (1965), when the number of securities, N, is large relative to the time dimension, T, of the return series. In the case of cross-sectionally correlated...
Persistent link: https://www.econbiz.de/10009535779