In this comment, I revisit a question raised in Karadja and Prawitz (2019) concerning a causal relationship between mass emigration and long-run political outcomes. I find that their results are not robust to (i) selection of the appropriate control variables, (ii) using valid cluster-robust...

Due to tightened safety regulation, some Italian soccer teams had to temporarily play home matches in empty stadiums in 2007. We exploit this event and find that referees exhibited home bias caused by social pressure when spectators were present.

In this paper, we return to the question raised in Dahlberg et al. (2012) concerning a causal relationship between ethnic diversity and preferences for redistribution. A re-analysis of their study indicates that results are based on an endogenous instrument and severe sample attrition bias....