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The Stabilizing Virtues of Fiscal vs. Monetary Policy on Endogenous Bubble Fluctuations

We explore the existence of endogenous fluctuations with a rational bubble and the stabilizing role of fiscal and monetary policies. Consumers' credit constraints, the role of collateral and a portfolio choice are the key ingredients of our analysis. We consider an overlapping generations model where households realize a portfolio choice between three assets with different returns (capital, money and bonds). Expectation-driven fluctuations and the multiplicity of steady states occur under a positive bubble on bonds, gross substitutability and large input substitution because of credit market imperfections. Focusing on the stabilizing role of policies, we show that a progressive taxation on capital income may rule out expectation-driven fluctuations and the multiplicity of steady states. In contrast, a monetary policy under a Taylor rule has a mitigated stabilizing role, depending on the reactiveness of the policy rule and the concavity of the utility function. When the monetary authority decides instead to fix the nominal interest rate regardless the inflation, decreasing the level of the nominal interest rate can rule out expectation-driven fluctuations, restore the uniqueness of steady states, but can damage the welfare at the steady state.

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Paper provided by Aix-Marseille School of Economics, Marseille, France in its series AMSE Working Papers with number 1343.

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Length: 42 pages
Date of creation: 17 Aug 2013
Date of revision: 17 Aug 2013
Handle: RePEc:aim:wpaimx:1343
Contact details of provider: Web page: http://www.amse-aixmarseille.fr/en
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  1. Grandmont Jean-michel, 1983. "On endogenous competitive business cycles," CEPREMAP Working Papers (Couverture Orange) 8316, CEPREMAP.
  2. LeRoy, Stephen F & Porter, Richard D, 1981. "The Present-Value Relation: Tests Based on Implied Variance Bounds," Econometrica, Econometric Society, vol. 49(3), pages 555-74, May.
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  4. Azariadis, Costas & Reichlin, Pietro, 1996. "Increasing returns and crowding out," Journal of Economic Dynamics and Control, Elsevier, vol. 20(5), pages 847-877, May.
  5. Stefano Bosi & Thomas Seegmuller, 2009. "On rational exuberance," Documents de travail du Centre d'Economie de la Sorbonne 09004, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  6. Lise Clain-Chamosset-Yvrard & Thomas Seegmuller, 2013. "Rational Bubbles and Macroeconomic Fluctuations: The (De-)Stabilizing Role of Monetary Policy," Working Papers halshs-00793063, HAL.
  7. Jappelli, Tullio, 1990. "Who Is Credit Constrained in the U.S. Economy?," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 219-34, February.
  8. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  9. Stefano Bosi & Thomas Seegmuller, 2008. "On the role of progressive taxation in a Ramsey Model with heterogeneous households," Documents de travail du Centre d'Economie de la Sorbonne v08051, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  10. Michel, Philippe & Wigniolle, Bertrand, 2005. "Cash-In-Advance Constraints, Bubbles, And Monetary Policy," Macroeconomic Dynamics, Cambridge University Press, vol. 9(01), pages 28-56, February.
  11. Benhabib, Jess & Schmitt-Grohe, Stephanie & Uribe, Martin, 1998. "The Perils of Taylor Rules," Working Papers 98-37, C.V. Starr Center for Applied Economics, New York University.
  12. GRANDMONT, Jean-Michel & PINTUS, Patrick & de VILDER, Robin, 1997. "Capital-labor substitution and competitive nonlinear endogenous business cycles," CORE Discussion Papers 1997087, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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  14. Grandmont, Jean-Michel, 1986. "Stabilizing competitive business cycles," Journal of Economic Theory, Elsevier, vol. 40(1), pages 57-76, October.
  15. G, Cazzavillan & T, Lloyd-Braga & P, A, Pintus, 1997. "Multiple Steady States and Endogenous Fluctuations with Increasing Returns to Scale in Production," Working Papers 97-29, Centre de Recherche en Economie et Statistique.
  16. Benhabib, Jess & Laroque, Guy, 1986. "On Competitive Cycles in Productive Economies," Working Papers 86-19, C.V. Starr Center for Applied Economics, New York University.
  17. Iacoviello, Matteo, 2004. "Consumption, house prices, and collateral constraints: a structural econometric analysis," Journal of Housing Economics, Elsevier, vol. 13(4), pages 304-320, December.
  18. Robert J. Shiller, 1980. "Do Stock Prices Move Too Much to be Justified by Subsequent Changes in Dividends?," NBER Working Papers 0456, National Bureau of Economic Research, Inc.
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  21. John Y. Campbell & N. Gregory Mankiw, 1989. "Consumption, Income and Interest Rates: Reinterpreting the Time Series Evidence," NBER Chapters, in: NBER Macroeconomics Annual 1989, Volume 4, pages 185-246 National Bureau of Economic Research, Inc.
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  23. Gerhard Sorger, 2005. "Active and Passive Monetary Policy in an Overlapping Generations Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 8(3), pages 731-748, July.
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