drawer") bias in the estimates and, after due account is taken of this bias, we find that differences due to estimation …

identification regions, and we illustrate our methods by partially identifying the effect of maternal education on the 2015 PISA math …

, and illustrate our methods by partially identifying the effect of maternal education on the 2015 PISA math test scores in …

selection is the major source of bias in the OLS estimates of schooling returns, and the dynamic selection caused by endogenous …

bias. We show that grouping can also create substantial aggregation bias, calling into question how well pseudo-panels can … mimic panel estimates. We create two metrics for assessing the grouping process, one for each potential source of bias. If … both metrics are above certain recommended values, the biases from aggregation and sampling error are minimised, meaning …

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 …