The paper analyzes two controversial features of the credit card industry. The first is the cooperative determination of the interchange fee by member banks in credit card associations (Visa and MasterCard). The interchange fee is the ``access charge'' paid by the merchants' banks, the...

Motivated by recent controversies surrounding the role of commercial lenders in microfinance, we analyze borrower welfare under different market structures, considering a benevolent non-profit lender, a for-profit monopolist, and a competitive credit market. To understand the magnitude of the...

We construct a unique dataset of legislative reforms in merger control legislation that occurred in nineteen industrial countries in the period 1987-2004, and test the economic impact of these changes on firms’ stock prices. In line with the standard monopolistic hypothesis, we find that the...

We examine the informational effects of M&As by investigating whether bank mergers improve banks’ ability to screen borrowers. By exploiting a dataset in which we observe a measure of a borrower’s default risk that the lenders observe only imperfectly, we find evidence of these informational...

The relative popularity of adjustable-rate mortgages (ARMs) and fixed-rate mortgages (FRMs) varies considerably both across countries and over time. We ask how movements in current and expected future interest rates affect the share of ARMs in total mortgage issuance. Using a nine-country panel...

The Riegle-Neal Act in the US and the Economic and Monetary Union in Europe are recent initiatives to stimulate financial integration. These initiatives allow new entrants to ‘poach’ the incumbents' clients by offering them attractive loan offers. We show that these deregulations may be...

We present a model with adverse selection where information sharing between lenders arises endogenously. Lenders' incentives to share information about borrowers are positively related to the mobility and heterogeneity of borrowers, to the size of the credit market and to advances in information...

We study the functioning and possible breakdown of the interbank market in the presence of counterparty risk. We allow banks to have private information about the risk of their assets. We show how banks' asset risk affects funding liquidity in the interbank market. Several interbank market...