Studies that distinguish between exogenous and endogenous peer effects are relatively rare. To separate these effects, De Giorgi, Pellizzari, and Redaelli exploited partially overlapping peer groups w
We investigate the behavior of the Lasso for selecting invalid instruments in linear instrumental variables models for estimating causal effects of exposures on outcomes, as proposed recently by Kang
Using annual rainfall variation as an instrumental variable for growth, we show that economic growth is negatively related to civil conflict in Africa. Antonio Ciccone (2011) argues that thanks to rai
