In this paper we present a description of the growth and diversification patterns of the top firms in the worldwide pharmaceutical industry. We apply parametric and non-parametric methods to the analysis of firms size distribution and its dynamics. Our study confirms the results of previous...

The size distribution and growth rate dynamics of U.S. companies have been extensively studied by many authors. In this paper, using the COMPUSTAT database, we extend the analysis to disaggregated data, studying 15 sectors of the U.S. manufacturing industry. The sectoral investigation reveals...

The size distribution and growth rate dynamics of U.S. companieshave been extensively studied by many authors. In this paper,using the COMPUSTAT database, we extend the analysis todisaggregated data, studying 15 sectors of the U.S.manufacturing industry. The sectoral investigation reveals...