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A Simple Model of Keynesian Unemployment


  • Tetsuya Nakajima

    (Osaka City University)


Constructing a general equilibrium model which compactly incorporates the markets for outputs, labor, money, and equities, we examine equilibrium unemployment. While a mechanism of an efficiency wage brings about nominal wage rigidity, unemployment occurring in our model definitely has Keynesian features. For instance, a reduction in wages rather enhances unemployment through a decrease in consumption. In addition, our paper shows a possibility of Pareto improvement through an increase in unemployment benefits.

Suggested Citation

  • Tetsuya Nakajima, 2005. "A Simple Model of Keynesian Unemployment," Macroeconomics 0502024, EconWPA.
  • Handle: RePEc:wpa:wuwpma:0502024 Note: Type of Document - pdf; pages: 28. a substantially improved version of ewp-mac/0404039

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    References listed on IDEAS

    1. Holmlund, Bertil, 1998. " Unemployment Insurance in Theory and Practice," Scandinavian Journal of Economics, Wiley Blackwell, vol. 100(1), pages 113-141, March.
    2. Charles Kahn & Dilip Mookherjee, 1988. "A Competitive Efficiency Wage Model with Keynesian Features," The Quarterly Journal of Economics, Oxford University Press, vol. 103(4), pages 609-645.
    3. Boadway, Robin & Cuff, Katherine & Marceau, Nicolas, 2003. "Redistribution and employment policies with endogenous unemployment," Journal of Public Economics, Elsevier, vol. 87(11), pages 2407-2430, October.
    4. Feenstra, Robert C., 1986. "Functional equivalence between liquidity costs and the utility of money," Journal of Monetary Economics, Elsevier, vol. 17(2), pages 271-291, March.
    5. Alexopoulos, Michelle, 2004. "Unemployment and the business cycle," Journal of Monetary Economics, Elsevier, vol. 51(2), pages 277-298, March.
    6. Dixon, Huw, 1987. "A Simple Model of Imperfect Competition with Walrasian Features," Oxford Economic Papers, Oxford University Press, vol. 39(1), pages 134-160, March.
    7. Blanchard, Olivier Jean & Kiyotaki, Nobuhiro, 1987. "Monopolistic Competition and the Effects of Aggregate Demand," American Economic Review, American Economic Association, vol. 77(4), pages 647-666, September.
    8. Molana, Hassan & Moutos, Thomas, 1992. "A Note on Taxation, Imperfect Competition and the Balanced Budget Multiplier," Oxford Economic Papers, Oxford University Press, vol. 44(1), pages 68-74, January.
    9. Mankiw, N. Gregory, 1988. "Imperfect competition and the Keynesian cross," Economics Letters, Elsevier, vol. 26(1), pages 7-13.
    10. Paul Madden, 1992. "A Disequilibrium Rational Expectations Model with Walrasian Prices and Involuntary Unemployment," Review of Economic Studies, Oxford University Press, vol. 59(4), pages 831-844.
    11. Shapiro, Carl & Stiglitz, Joseph E, 1984. "Equilibrium Unemployment as a Worker Discipline Device," American Economic Review, American Economic Association, vol. 74(3), pages 433-444, June.
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    More about this item


    Unemployment; Keynesian; Efficiency wages;

    JEL classification:

    • E12 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Keynes; Keynesian; Post-Keynesian
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy

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