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...

Efficient payment services underpin the smooth operation of the economy. Competition and innovation are key drivers for payment market efficiency in both the short and long run. This paper gives an overview and tries to assess the key determinants that affect pricing, competition and the...