This study examines the efficiency performance of the minority-owned banks (MOBS) as multiproduct firms relative to that of the nonminority banks (NMOBs) using a highly flexible nonparametric approach. Since MOBS and NMOBs employ distinct technologies the efficiency indices for the two groups...

Two alternative approaches of efficiency measurement, nonparametric and statistical, are employed to calculate three types of efficiency indexes for the U.S. beer industry over the period 1950-1986. The results indicate that the beer industry was operating at a high level of pure technical...