This paper estimates a dynamic, structural model of entry and exit in an oligopolistic industry and uses it to quantify the determinants of market structure and long-run firm values for two U.S. service industries, dentists and chiropractors. Entry costs faced by potential entrants, fixed costs...

We study the grocery industry in Washington, DC, during the Great Depression using data from the 1929 Census of Distribution, a 1929-1930 survey by the Federal Trade Commission, and a 1935 business directory. We first document the differences between chains and independents in the Washington,...