Bolt, Wilko; Humphrey, David - de Nederlandsche Bank - 2012
The three main measures of competition (HHI, Lerner Index, and H-Statistic) are uncorrelated for U.S. banks. We … investigate why this occurs, propose a frontier measure of competition, and apply it to five major bank service lines using data … only available since 2008. Fee-based banking services comprise 35% of bank revenues so assessing competition by service …