Many studies have examined the influence of union density (union members as a percentage of all workers) on earnings in the private sector, but few such studies have looked at the public sector. Using data from the 1991 Current Population Survey, this study estimates the determinants of earnings...

Two well-documented empirical findings are that unionized employees typically receive substantially higher compensation than their non-union counterparts and that union representation in the United States has declined over time. Some observers have hypothesized a causal link between these two...