Pseudo-panels allow estimation of panel models when only repeated cross-sections are available. This involves grouping … 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 …

-response may bias estimates. Linking Dutch survey data to administrative income data allows us to examine whether selective … responses bias the estimated relationship between parental income and children's mathematics and language test scores in grades … because they may be biased by selective non-response. The direction of such bias is difficult to predict a priori. Bias due to …

The characteristics of measurement error determine the bias of linear estimators. We propose a method for validating … surveys is classical for annual gross income but non-classical for years of schooling, causing a 21% amplification bias in IV …