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    • 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 ...
    • 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 ...