This paper addresses a little-examined intersection between the problem-loan literature and the bank-efficiency literature. We employ Granger causality techniques to test four hypotheses regarding the relationships among loan quality, cost efficiency, and bank capital. The data suggest that...

We investigate the sources of recent changes in the performance of U.S. banks using concepts and techniques borrowed from the cross-section efficiency literature. Our most striking result is that during 1991-1997, cost productivity worsened while profit productivity improved substantially,...

This paper reviews various types of increasing returns from a critical perspective. Increasing returns have been introduced in a monopolistic-competition model both at the firm level and at the aggregate level. We show that the degree of the aggregate returns to scale is a linear combination of...