') bias in the estimates and, after due account is taken of this bias, we find that differences due to estimation method are … measure how these estimates vary by country, over time, and by estimation method. We find evidence reporting (or file drawer …

We assess selection bias in estimated returns to workplace training by exploiting a field experiment with random …. When controlling for pre-treatment performance or individual fixed effects, only about one tenth of this bias remains and …

We assess selection bias in estimated returns to workplace training by exploiting a field experiment with random …. When controlling for pre-treatment performance or individual fixed effects, only about one tenth of this bias remains and …

instrument enables one to estimate the confounding endogeneity bias. This bias can then be utilized in subsequent regressions … apply the approach to estimate sheepskin effects. We find the bias to be approximately equal to the OLS coefficient, meaning …

drawer") bias in the estimates and, after due account is taken of this bias, we find that differences due to estimation … measure how these estimates vary by country, over time, and by estimation method. We find evidence of reporting (or "file …

We assess selection bias in estimated returns to workplace training by exploiting a field experiment with random …. When controlling for pre-treatment performance or individual fixed effects, only about one tenth of this bias remains and …