This paper introduces a novel analysis of the classic quot;persistence of leadershipquot; question, and applies it to a newly constructed dataset for Japanese manufacturing. The analysis rests on an appeal to an empirical quot;scaling relationshipquot; between current market share and the...

This chapter reviews the literature which has developed around the ‘bounds approach’ to market structure over the past fifteen years. The focus of this literature lies in explaining cross-industry differences in concentration, and in the size distribution of firms. One of the main ideas...