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A Model of Creative Destruction with Undiversifiable Risk and Optimising Households

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  • Walde, Klaus

Abstract

This paper studies optimal household behavior in a model of creative destruction. The saving technology is characterized by stochastic returns that follow a Poisson process. It is shown that equilibrium conditions with optimizing households differ substantially from equilibrium conditions where investment in R&D is determined by firms. Three out of four market failures disappear and a new market failure resulting from a complementarity in financing R&D is identified. Studying the social optimum shows that it contains as the special case of risk neutrality the social optimum derived in the literature.

Suggested Citation

  • Walde, Klaus, 1999. "A Model of Creative Destruction with Undiversifiable Risk and Optimising Households," Economic Journal, Royal Economic Society, vol. 109(454), pages 156-171, March.
    • Handle: RePEc:ecj:econjl:v:109:y:1999:i:454:p:c156-71
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    Cited by:

    1. Ken Sennewald & Klaus Wälde, 2006. "“Itô's Lemma” and the Bellman Equation for Poisson Processes: An Applied View," Journal of Economics, Springer, vol. 89(1), pages 1-36, October.
    2. Tapio Palokangas, 2008. "Economic Integration, Lobbying by Firms and Workers, and Technological Change," DEGIT Conference Papers c013_003, DEGIT, Dynamics, Economic Growth, and International Trade.
    3. Walde, Klaus, 1999. "Optimal Saving under Poisson Uncertainty," Journal of Economic Theory, Elsevier, vol. 87(1), pages 194-217, July.
    4. Keiichi Kishi, 2015. "Dynamic analysis of wage inequality and creative destruction," Journal of Economics, Springer, vol. 115(1), pages 1-23, May.
    5. Klaus Wälde & Christina Wood, 2004. "The empirics of trade and growth: where are the policy recommendations?," International Economics and Economic Policy, Springer, vol. 1(2), pages 275-292, January.
    6. Wälde, Klaus, 2001. "Capital accumulation in a model of growth and creative destruction," Dresden Discussion Paper Series in Economics 09/01, Technische Universität Dresden, Faculty of Business and Economics, Department of Economics.
    7. Cozzi, Guido, 2007. "Self-fulfilling prophecies in the quality ladders economy," Journal of Development Economics, Elsevier, vol. 84(1), pages 445-464, September.
    8. Tapio Palokangas, 2004. "Integration, Wage Bargaining, and Growth with Creative Destruction," DEGIT Conference Papers c009_015, DEGIT, Dynamics, Economic Growth, and International Trade.
    9. Sennewald, Ken & Wälde, Klaus, 2005. ""Itô's Lemma" and the Bellman equation: An applied view," Dresden Discussion Paper Series in Economics 04/05, Technische Universität Dresden, Faculty of Business and Economics, Department of Economics.
    10. Walde, Klaus, 2000. "Egalitarian and elitist education systems as the basis for international differences in wage inequality," European Journal of Political Economy, Elsevier, vol. 16(3), pages 445-468, September.
    11. Posch, Olaf & Trimborn, Timo, 2013. "Numerical solution of dynamic equilibrium models under Poisson uncertainty," Journal of Economic Dynamics and Control, Elsevier, vol. 37(12), pages 2602-2622.
    12. Tapio Palokangas, 2006. "Competition, Imitation and Growth with Non-Diversifiable Risk," DEGIT Conference Papers c011_036, DEGIT, Dynamics, Economic Growth, and International Trade.
    13. Palokangas, Tapio K., 2005. "Economic Integration, Market Power and Technological Change," IZA Discussion Papers 1592, Institute of Labor Economics (IZA).
    14. Olaf Posch & Klaus Wälde, 2011. "On the link between volatility and growth," Journal of Economic Growth, Springer, vol. 16(4), pages 285-308, December.
    15. Walde, Klaus, 2002. "The economic determinants of technology shocks in a real business cycle model," Journal of Economic Dynamics and Control, Elsevier, vol. 27(1), pages 1-28, November.
    16. Tapio Palokangas, 2009. "Optimal Patent Length and Patent Width for an Economy with Creative Destruction and Non-Diversifiable Risk," DEGIT Conference Papers c014_024, DEGIT, Dynamics, Economic Growth, and International Trade.

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