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Entry and the accumulation of capital: A two state variable extension to the Ramsey model

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  • Paulo Brito
  • Huw Dixon

Abstract

In this paper we consider the entry and exit of firms in a dynamic general equilibrium model with capital. At the firm level, there is a fixed cost combined with increasing marginal cost, which gives a standard U-shaped cost curve with optimal firm size. Entry is determined by a free entry condition such that the costs of entry are equal to the present value of incumbent firms, the cost of entry (exit) depends on the flow of entry (exit). Then equilibrium is saddle-point stable and the stable manifold is two-dimensional. Transitional dynamics can, under certain circumstances, be non-monotonic.

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Bibliographic Info

Article provided by The International Society for Economic Theory in its journal International Journal of Economic Theory.

Volume (Year): 5 (2009)
Issue (Month): 4 ()
Pages: 333-357

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Handle: RePEc:bla:ijethy:v:5:y:2009:i:4:p:333-357

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Cited by:
  1. Brito, Paulo & Dixon, Huw, 2012. "Fiscal policy, entry and capital accumulation: hump-shaped responses," Cardiff Economics Working Papers E2012/7, Cardiff University, Cardiff Business School, Economics Section.
  2. Paulo Brito & Luís Costa & Huw Dixon, 2010. "Non-Smooth Dynamics and Multiple Equilibria in a Cournt-Ramsey Model with Endogenous Markups," Working Papers Department of Economics 2010/14, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  3. Pedro Mazeda Gil, 2010. "Animal Spirits and the Composition of Innovation in a Lab-Equipment R&D Model with Transition," DEGIT Conference Papers c015_040, DEGIT, Dynamics, Economic Growth, and International Trade.
  4. Pedro Rui Mazeda Gil & Paulo Brito & Óscar Afonso, 2008. "A Model of Quality Ladders with Horizontal Entry," FEP Working Papers 296, Universidade do Porto, Faculdade de Economia do Porto.

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