This paper examines the evolution of the supermarket industry, from the birth of the chain store concept in the early 1900s to the recent rise of the Wal-Mart supercenter. The central message is that the major themes relevant today (the importance of scale and standardization, technological...

In this paper the authors examine the effects of publicly financed infrastructure and R&D capitals on the cost structure and productivity performance of twelve two-digit U.S. manufacturing industries. The results suggest that there are significant productive effects from these two types of...