I examine evidence on private sector union wage gaps in the U.S. The consensus opinion among labor economists of an average union premium of roughly 15 percent is called into question. Two forms of measurement error create a downward bias in standard wage gap estimates. Match bias results from...

In this Article, we ask whether the National Labor Relations Act, enacted over 70 years ago, can remain relevant in a competitive economy where nonunion employer discretion is the dominant form of workplace governance. The best opportunity for the NLRA’s continued relevance is the modification...

About 30% of workers in the CPS have earnings imputed. Wage gap estimates are biased toward zero when the attribute being studied (e.g., union status) is not a criterion used to match donors to nonrespondents. An expression for “match bias” is derived in which attenuation equals the sum of...