This paper analyzes the evolution of the Lerner index for Costa Rican banks between 2008 and 2019. We document a significant drop in market power during this period, which we relate to less concentration in loans and deposits. The market became less consolidated as a fringe of 29 small banks...

This paper studies banks' competitive behavior on the deposit side of the Italian retail banking industry. We use a structural model to estimate demand for deposit services and test several supply models. We find that both the competitive, differentiated product Bertrand and the perfectly...