Purpose – The purpose of this paper is to provide a systematic comparison of the level of business diversification in China and eight other large economies for the 2001‐2005 period. The reasons why publicly listed Chinese firms are more diversified than companies elsewhere are investigated....

This paper investigates the effects of focus versus diversification on bank performance using data on Chinese banks during the 1996-2006 period. We construct a new measure, economies of diversification, and compare the results to those of the more conventional focus index, which is based on the...