"Audit studies testing for discrimination have been criticized because applicants from different groups may not appear identical to employers. Correspondence studies address this criticism by using fictitious paper applicants whose qualifications can be made identical across groups. However,...

"The absence of a competitive market and the presence and strength of public-sector labor unions make it likely that public-sector pay reflects an element of rent extraction by government workers. In this paper, we test a specific hypothesis that connects such rent extraction to the level of...

"Although economic theory predicts an inverse relation between relative wages and immigration-induced supply shifts, it has been difficult to document such effects. The weak evidence may be partly due to sampling error in a commonly used measure of the supply shift, the immigrant share of the...