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Animal Spirits and the Composition of Innovation in a Lab-Equipment R&D Model with Transition

Listed author(s):
  • Pedro Mazeda Gil

We revisit the issue of self-fulfilling "waves of enthusiasm" as stationary rational expectations equilibria in tournament models of horizontal and vertical R&D. By considering a lab-equipment specification, the model predicts a positive effect of animal spirits on the balanced-growth-path (BGP) level of per-capita consumption without impacting on economic growth and on aggregate vertical R&D. However, transition is slower under "waves of enthusiasm", implying a longer period in which growth rates are higher than the BGP level. An economy that is subject to expectations shocks then converges at a time-varying speed. On average over time, transition is longer but less "painful" – i.e., with higher per-capita consumption levels – than otherwise.

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File URL: http://degit.sam.sdu.dk/papers/degit_15/c015_040.pdf
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Paper provided by DEGIT, Dynamics, Economic Growth, and International Trade in its series DEGIT Conference Papers with number c015_040.

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Length: 31 pages
Date of creation: Sep 2010
Handle: RePEc:deg:conpap:c015_040
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  1. Kazuo Nishimura & Tadashi Shigoka, 2006. "Sunspots and Hopf bifurcations in continuous time endogenous growth models," International Journal of Economic Theory, The International Society for Economic Theory, vol. 2(3-4), pages 199-216.
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  5. Peter Howitt, 1999. "Steady Endogenous Growth with Population and R & D Inputs Growing," Journal of Political Economy, University of Chicago Press, vol. 107(4), pages 715-730, August.
  6. Nir Jaimovich, 2007. "Firm Dynamics and Markup Variations: Implications for Sunspot Equilibria and Endogenous Economic Fluctuation," Discussion Papers 07-011, Stanford Institute for Economic Policy Research.
  7. Cozzi, Guido, 2005. "Animal spirits and the composition of innovation," European Economic Review, Elsevier, vol. 49(3), pages 627-637, April.
  8. Klepper, Steven, 1996. "Entry, Exit, Growth, and Innovation over the Product Life Cycle," American Economic Review, American Economic Association, vol. 86(3), pages 562-583, June.
  9. Drugeon, Jean-Pierre & Wigniolle, Bertrand, 1996. "Continuous-Time Sunspot Equilibria and Dynamics in a Model of Growth," Journal of Economic Theory, Elsevier, vol. 69(1), pages 24-52, April.
  10. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
  11. Geroski, P. A., 1995. "What do we know about entry?," International Journal of Industrial Organization, Elsevier, vol. 13(4), pages 421-440, December.
  12. Pessoa, Argentino, 2010. "R&D and economic growth: How strong is the link?," Economics Letters, Elsevier, vol. 107(2), pages 152-154, May.
  13. Brito, Paulo & Dixon, Huw David, 2007. "Entry and the accumulation of capital: a two state-variable extension to the Ramsey model," Cardiff Economics Working Papers E2007/16, Cardiff University, Cardiff Business School, Economics Section, revised Oct 2007.
  14. Dos Santos Ferreira, Rodolphe & Dufourt, Frederic, 2006. "Free entry and business cycles under the influence of animal spirits," Journal of Monetary Economics, Elsevier, vol. 53(2), pages 311-328, March.
  15. Gil, Pedro Mazeda & Brito, Paulo & Afonso, Oscar, 2013. "Growth And Firm Dynamics With Horizontal And Vertical R&D," Macroeconomic Dynamics, Cambridge University Press, vol. 17(07), pages 1438-1466, October.
  16. Satyajit Chatterjee & Russell Cooper & B. Ravikumar, 1993. "Strategic Complementarity in Business Formation: Aggregate Fluctuations and Sunspot Equilibria," Review of Economic Studies, Oxford University Press, vol. 60(4), pages 795-811.
  17. Eicher, Theo S. & Turnovsky, Stephen J., 2001. "Transitional dynamics in a two-sector non-scale growth model," Journal of Economic Dynamics and Control, Elsevier, vol. 25(1-2), pages 85-113, January.
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