Using data for a large sample of banks from 31 OECD countries over 1995–2018, we analyze the impact of belonging to a banking group on banks' net interest margins. Our results confirm a positive relationship between interest rates and interest margins, which is stronger in a low-interest rate...

Does increased policy uncertainty dampen investment plans of firms? We provide direct evidence on this question by examining the effects of an unexpectedly accepted and farreaching referendum in Switzerland in February 2014. The vote has put several economically relevant agreements between...