Itens para a visualização no momento 1-5 of 5

    • City sizes and industry concentration 

      Franco Neto, Afonso Arinos de Mello
      1995-03-23
      In a general equilibrium model of trade under transportation costs between two cities we show how the relative population sizes are simultaneously determined with the degree of geographic concentration of industries ...
    • City sizes and industry concentration 

      Franco Neto, Afonso Arinos de Mello
      1995-05
      In a general equilibrium model of trade under transportation costs between two cities we show how the relative population sizes are simultaneously detemined with the degree of geographic concentration of industries ...
    • The determinantes of city sizes and industry concentration 

      Franco Neto, Afonso Arinos de Mello
      1993-11-16
    • Duplication of R&D and industry concentration 

      Temimi, Akram; Dakhlia, Sami; Menezes, Flavio Marques
      2001-09-30
      The purpose of the literature on Research Joint Ventures (RJV), pioneered by DíAspremont and Jacquemin (1988) and Kamien, Muller, and Zang (1992), has been to combine the best of two worlds: to appropriately deal with R&D ...
    • Endogenous normative indices for the industry concentration 

      Boff, Hugo Pedro
      2001-01
      This paper presents new indices for measuring the industry concentration. The indices proposed (C n ) are of a normative type because they embody (endogenous) weights matching the market shares of the individual firms to ...