This paper employs an original dataset for 146 US metropolitan areas to test some propositions that characterize two different models of organizing firms and industries: the managerial firm, epitomized by the work of Alfred Chandler, and the entrepreneurial system, recently highlighted by many...

We document that firms in eight East Asian countries and Japan diversify into more segments and engage into more related businessesas measured by the degree of vertical relatedness and complementaritythan firms in the USA. Using data for the 1990-6 period, we observe a trend towards...