Based on weighted and unweighted averages of concentration ratios and the Herfindahl index for 436 sectors, the number of concentrated industries, and time trends, the structure of the Japanese economy proves highly oligopolistic over the 1983-92 period. Regression results show that...

Based on the few studies in their 2009 literature review, Craig, Jackson, and Thomson find that the economic impact of SBA loans on regional economic performance is positive, albeit small This study analyzes the relationships between economic performance and SBA lending using a panel of...

This paper evaluates and extends earlier studies by Sakakibara and Porter (2001) and by Doi (2001) on the market share instability of leading Japanese firms. Using the data set provided by Sakakibara and Porter, I reexamine the determinants of market share instability, correct some empirical...