The three main measures of competition (HHI, Lerner Index, and H-Statistic) are uncorrelated for U.S. banks. We …

Banks supply payment services that underpin the smooth operation of the economy. To ensure an efficient payment system …-provided payment services. Billion dollar banks account for around ninety percent of assets in the US and those with around $4 to $7 … billion in assets turn out to be both the most and the least competitive in payment services, not the very largest banks. …