This paper examines how outside and inside competition affect the number and composition of product offerings. The question is addressed using the example of the U.S. motion picture industry, which has experienced declining attendance in the past decade due to outside competition from streaming...

This paper looks at why local markets have become increasingly dominated by multi-market firms, particularly in the banking industry, where deregulation in the early 1990s lead to extensive branch network expansion. To understand the implications of this profusion of multi-market banks, I...

This paper studies a novel explanation for observed productivity differences among firms in the same industry. Competition is allowed to affect labor productivity, so that heterogeneity in competition affects the demand for skilled labor, leading to differences in firm performance. This...