We examine the effect of competition on banking stability using a new measure of competition based on the reallocation of profits from inefficient banks to efficient ones (Boone, 2008). Examining a sample of European banks, we show that this measure does capture competition, that competition is...

We model asset opacity and deposit rate choices of banks who imperfectly compete for uninsured deposits, are subject to runs, and face a threat of entry. Higher competition increases deposit rates and bank fragility, resulting in an intermediate socially optimal level of bank competition. We...