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Uncertainty and Tobin’s Q in a Monopolistic Competition Framework



This paper combines the adjustment costs hypothesis of Tobin’s q models with Malinvaud’s proposition that, irreversibility and uncertainty matter in explaining investment. Demand uncertainty and irreversibility allow for excess capacity and lead firms to look at the expected excess capacity in deciding about investment. Marginal q is shown to be smaller than average q, the difference being explained by the degree of capacity utilization (DUC).

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Paper provided by Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES) in its series Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) with number 1990003.

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Length: 29
Date of creation: 01 Jan 1990
Date of revision:
Handle: RePEc:ctl:louvir:1990003
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  1. N. Gregory Mankiw, 1985. "Small Menu Costs and Large Business Cycles: A Macroeconomic Model of Monopoly," The Quarterly Journal of Economics, Oxford University Press, vol. 100(2), pages 529-538.
  2. Hayashi, Fumio, 1982. "Tobin's Marginal q and Average q: A Neoclassical Interpretation," Econometrica, Econometric Society, vol. 50(1), pages 213-24, January.
  3. Dreze, Jacques & Bean, Charles R, 1990. " European Unemployment: Lessons from a Multicountry Econometric Study," Scandinavian Journal of Economics, Wiley Blackwell, vol. 92(2), pages 135-65.
  4. repec:adr:anecst:y:1986:i:2:p:05 is not listed on IDEAS
  5. repec:adr:anecst:y:1986:i:2 is not listed on IDEAS
  6. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
  7. Philippe Michel, 1986. "Dynamique de l'accumulation de capital en présence de contraintes de débouchés," Annals of Economics and Statistics, GENES, issue 2, pages 117-145.
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