Cetorelli, Nicola; Jacobides, Michael G.; Stern, Samuel - 2021
A surprisingly neglected facet of sector evolution is the evolutionary analysis of firms', and thus a sector's, scope …. Defining a sector as a group of firms that can change their scope over time, we study the transformation of U.S. banking firms …. We undertake a sectoral, population-wide study of business-scope transformation, with particular focus on which segments …