Do collective bargaining rights for law enforcement result in more civilian deaths at the hands of the police? Using an event-study design, we find that the introduction of duty to bargain requirements with police unions has led to a significant increase in non-white civilian deaths at the hands...

This paper shows that immigration fostered the emergence of organized labor in the United States. I digitize archival data to construct the first county-level dataset on historical U.S. union membership and use a shift-share instrument to isolate a plausibly exogenous shock to the labor supply...

While it is assumed that trade unions may influence the gender wage gap, evidence is scarce on this issue. This study investigates the issue in China using national longitudinal survey data from 2010 to 2020. The results reveal that the union wage premium is greater for women than for men....