Failure to switch service provider is viewed as leaving money on the table. While psychological hassle and switching costs are often invoked to explain the observed inertia, there is little empirical research that directly measures barriers to switching in retail finance markets. This study uses...

Using administrative data on deposits and loans of every Norwegian with every Norwegian bank, we show that an existing deposit account makes a household more likely to hold deposits at the same bank later despite better alternatives and more likely to borrow there. Consistent with this, banks...

1. Monopoly -- 2. Simultaneous quantity competition -- 3. Simultaneous price competition -- 4. Sequential competition -- 5. Regulating imperfectly competitive markets -- 6. R&D incentives -- 7. Mergers and Collusion -- 8. Bundling incentives -- 9. Incomplete information, signaling, and...