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 indices, which are based on...

Using data from US labour market areas, we quantify empirical associations between entry by small firms and a vector of economic performance measures encompassing levels, volatilities and growth rates of several income and employment variables. Distinct and robust associations are found for net...