A Frontier Measure of U.S. Banking Competition

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 line is preferred to using a single measure for traditional activities extended to the...