This paper examines the productive efficiency of a sample of private Korean banks over the 1985 to 1995 time period. The goal of the analysis is to identify the key determinants of Korean bank efficiency (inefficiency) following the program of deregulation initiated by the government in the...

This paper examines the subadditivity of costs for a sample of the largest commercial banks in the U.S. We introduce into the bank production literature the grid approach developed by Evans and Heckman (1984). We estimate two models of the bank cost function--one where deposits are treated as...