3Romer P M.Growth Based on Increasing Returns Due to Specialization[J].American Economic Review,1987,77(2):56 -62.Prigogine I,Glandorrff P.Thermodynamic Theory of Structure,Stability and Fluctuation[M].New York:John Wilson,1971.125-132.
4Morrison C J,Siege D S.Scale Economies and Industry Agglomeration Externalities[J].American Economic Reriew,1999,(March):272-275.
5Stiglitz J E.Technological Change,Sunk Costs,and Competition[R].Washington DC:Brookings Institution(Brookings Papers on Economic Activity,Special Issue on Macroeconomies),1987.3