We examine trends in bank competition since the early 2000s. The Lerner index-arguably the most commonly used measure … frequently used indicators of banking sector competition seem much more muted. We show that the significant drop in policy rates …

This paper studies bank competition with borrower adverse selection. In the model, expected non-performing loan costs … are high when credit is granted in booms, when risk free rates are low, or when competition is strong. I prove that full … competition is suboptimal due to this last effect; that more competition improves the transmission of monetary policy, and that …