Survivor testimonies link survival in deadly POW camps, Gulags, and Nazi concentration camps to the formation of close friendships with other prisoners. We provide statistical evidence consistent with these fundamentally selective testimonies. We study the survival of the 140 thousand Jews who...

Identification of a coefficient associated with a time-invariant regressor (TIR) often relies on the assumption that the TIR is uncorrelated with the unobserved heterogeneity across panel units. We derive an estimator which avoids the random-effects assumption by employing a proxy for the...

This paper uses a quasi-differences-in-differences approach to identify impacts of robotisation and exposure to robots owned by foreign competitors on labour market outcomes of Czech workers. Utilising employee-level data allows for identification of differential impacts on workers of different...