This paper investigates whether the Democratic Party has any significant effects on unions. Employing Regression Discontinuity (RD) approach on gubernatorial elections in U.S. states over the last three decades, we investigate causal effects of Democratic governors on unionization of workers,...

Do immigrants have better labor-market outcomes under Democratic governors? By exploiting variations associated with close elections in a regression discontinuity (RD) design applied on gubernatorial elections in 50 states over the last two decades, we find that immigrants are more likely to be...