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A Steady-State Model of a Non-Walrasian Economy with Three Imperfect Markets

Author

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  • Wasmer, Etienne

    (Sciences Po, Paris)

Abstract
Unemployment may depend on equilibrium in other markets than the labor markets. This paper adresses this old idea by introducing search frictions on several markets: in a model of credit and labor market imperfections as in Wasmer and Weil (2004), I further introduce search on the goods market. The model can be solved by blocks: on two of the three markets, the relevant "market tightness" is a constant of parameters. In particular, goods market tightness, expressed as the ratio of unmatched consumers to unmatched firms, is equal to 1 which corresponds to a stochastic Say's law: demand and supply are stochastically in equilibrium. Financial market tightness is also a function of three parameters related to financial frictions. Job creation and employment depend on the equilibrium in the other markets. Reciprocally, higher job destruction implies more volatility of income of individual consumers and higher destruction of consumption matches. This lowers profits and further reduces job creation. Finally, there are complementarities between frictions in each market: in particular, the marginal effect of financial frictions on equilibrium unemployment is amplified by goods market frictions and vice versa.

Suggested Citation

  • Wasmer, Etienne, 2011. "A Steady-State Model of a Non-Walrasian Economy with Three Imperfect Markets," IZA Discussion Papers 5758, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp5758
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    References listed on IDEAS

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    1. Christopher A. Pissarides & Barbara Petrongolo, 2001. "Looking into the Black Box: A Survey of the Matching Function," Journal of Economic Literature, American Economic Association, vol. 39(2), pages 390-431, June.
    2. Petrosky-Nadeau, Nicolas & Wasmer, Etienne, 2015. "Macroeconomic dynamics in a model of goods, labor, and credit market frictions," Journal of Monetary Economics, Elsevier, vol. 72(C), pages 97-113.
    3. Etienne Wasmer & Philippe Weil, 2004. "The Macroeconomics of Labor and Credit Market Imperfections," American Economic Review, American Economic Association, vol. 94(4), pages 944-963, September.
    4. Ricardo Lagos, 2000. "An Alternative Approach to Search Frictions," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 851-873, October.
    5. Philippe Weil & Etienne Wasmer, 2004. "The macroeconomics of credit and labor market imperfections," ULB Institutional Repository 2013/13436, ULB -- Universite Libre de Bruxelles.
    6. Prescott, Edward C & Townsend, Robert M, 1984. "Pareto Optima and Competitive Equilibria with Adverse Selection and Moral Hazard," Econometrica, Econometric Society, vol. 52(1), pages 21-45, January.
    7. Aleksander Berentsen & Guido Menzio & Randall Wright, 2011. "Inflation and Unemployment in the Long Run," American Economic Review, American Economic Association, vol. 101(1), pages 371-398, February.
    8. Etienne Wasmer & Nicolas Petrosky-Nadeau, 2011. "Propagation in a Model of Goods, Labor and Financial Market Frictions," 2011 Meeting Papers 119, Society for Economic Dynamics.
    9. Peter Diamond, 1987. "Consumer Differences and Prices in a Search Model," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 102(2), pages 429-436.
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    13. Etienne Wasmer, 2006. "General versus Specific Skills in Labor Markets with Search Frictions and Firing Costs," American Economic Review, American Economic Association, vol. 96(3), pages 811-831, June.
    14. Pissarides, Christopher A, 1984. "Search Intensity, Job Advertising, and Efficiency," Journal of Labor Economics, University of Chicago Press, vol. 2(1), pages 128-143, January.
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    16. Lehmann, Etienne & Van Der Linden, Bruno, 2010. "Search Frictions On Product And Labor Markets: Money In The Matching Function," Macroeconomic Dynamics, Cambridge University Press, vol. 14(1), pages 56-92, February.
    17. Nicolas Petrosky-Nadeau & Etienne Wasmer, 2013. "The Cyclical Volatility of Labor Markets under Frictional Financial Markets," American Economic Journal: Macroeconomics, American Economic Association, vol. 5(1), pages 193-221, January.
    18. Marcus Hagedorn & Iourii Manovskii, 2008. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," American Economic Review, American Economic Association, vol. 98(4), pages 1692-1706, September.
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    1. Razor innovation in macroeconomics
      by Economic Logician in Economic Logic on 2011-07-15 19:13:00

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    2. Petrosky-Nadeau, Nicolas & Wasmer, Etienne, 2015. "Macroeconomic dynamics in a model of goods, labor, and credit market frictions," Journal of Monetary Economics, Elsevier, vol. 72(C), pages 97-113.
    3. Brzustowski, Thomas & Petrosky-Nadeau, Nicolas & Wasmer, Etienne, 2018. "Disentangling goods, labor, and credit market frictions in three European economies," Labour Economics, Elsevier, vol. 50(C), pages 180-196.
    4. Emmanuel Saez & Pascal Michaillat, 2013. "A Theory of Aggregate Supply and Aggregate Demand as Functions of Market Tightness with Prices as Parameters," 2013 Meeting Papers 1216, Society for Economic Dynamics.
    5. Michaillat, Pascal & Saez, Emmanuel, 2013. "A model of aggregate demand and unemployment," LSE Research Online Documents on Economics 51579, London School of Economics and Political Science, LSE Library.
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    7. Thomas Brzustowski & Nicolas Petrosky-Nadeau & Etienne Wasmer, 2016. "Disentangling Goods, Labor, and Credit Market Frictions in Three European Economies," SciencePo Working papers hal-03567961, HAL.
    8. Nicolas Petrosky-Nadeau & Etienne Wasmer, 2015. "Macroeconomic Dynamics in a Model of Goods, Labor and Credit Market Frictions," SciencePo Working papers hal-03392977, HAL.
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    More about this item

    Keywords

    search; matching; unemployment; goods market imperfections;
    All these keywords.

    JEL classification:

    • J6 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers
    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian; Modern Monetary Theory
    • E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical

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