McGahan, Anita M.; Porter, Michael E. - In: The Review of Economics and Statistics 81 (1999) 1, pp. 143-153
In this study, we use data for 1981 through 1994 on a large sample of U.S. companies to examine the persistence of incremental industry, corporate-parent, and business-specific effects on profitability. Our results indicate that the incremental effects of industry on profitability persist longer...