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We study the finite sample behavior of Lasso-based inference methods such as post double Lasso and debiased Lasso. Empirically and theoretically, we show that these methods can exhibit substantial omitted variable biases (OVBs) due to Lasso not selecting relevant controls. This phenomenon can be...
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We examine evidence on omitted-ability bias in estimates of the economic return to schooling, using proxies for …
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Omitted variable bias (OVB) of OLS estimators is a serious and ubiquitous problem in social science research. Often … researchers use the direction of the bias in substantive arguments or to motivate estimation methods to deal with the bias. This … setting and cautions against the use of direction-of-bias arguments. This analysis has implications for comparison of OLS and …
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We examine evidence on omitted-ability bias in estimates of the economic return to schooling, using proxies for …
Persistent link: https://www.econbiz.de/10012474703