This paper models the relationship between growth, technology-lifetime, entry, and competition in a vintage-knowledge model of endogenous growth and perfect competition. The model has a unique steady state REE equilibrium. Variations of R&D-efficiency lead to a negative relation between growth and vintage-lifetime and indicate a non-monotonic relation between growth and competition. A shift of population size and its growth rates have qualitatively different consequences here than in standard models. The extent of entry constitutes a buffer, neutralizing the effect of population size or population growth rates on per-capita income levels and growth rates.
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Francisco Alcalá & Antonio Ciccone, 2001.
"Trade and Productivity,"
Economics Working Papers
580, Department of Economics and Business, Universitat Pompeu Fabra, revised Jul 2002.
[Downloadable!]
Jess Benhabib & Aldo Rustichini, 1990.
"Vintage Capital, Investment and Growth,"
Discussion Papers
886, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
[Downloadable!]
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