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Negishi-Solow Efficiency Wages, Unemployment Insurance and Dynamic Deterministic Indeterminacy

Author

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  • Jean-Michel Grandmont

    () (CREST, Malakoff C�dex, France)

Abstract

This paper introduces efficiency wages designed to provide workers with incentives to make appropriate effort levels, and involuntary unemployment, along the pioneering lines of Negishi (1979), Solow (1979), Shapiro and Stiglitz (1984), in a dynamic model involving heterogeneous agents and financial constraints as in Woodford (1986) and Grandmont, Pintus and de Vilder (GPV, 1998). Effort varies continuously while there is unemployment insurance funded out of taxation of labour incomes. Increasing unemployment insurance is beneficial to employment along the deterministic stationary state, and can even in some cases lead to a Pareto welfare improvement for all agents, through general equilibrium effects, by generating higher individual real labour incomes, hence larger consumptions of employed and unemployed workers, and thus a higher production. On the other hand, the local (in)determinacy properties of the stationary state are opposite to those obtained in the competitive specification of the model (GPV, 1998) : local determinacy (indeterminacy) occurs for elasticities of capitalefficient labour substitution lower (larger) than a quite small bound. Increasing unemployment insurance is more likely to lead to local indeterminacy and thus to generate dynamic inefficiencies due to the corresponding expectations coordination failures.

Suggested Citation

  • Jean-Michel Grandmont, 2006. "Negishi-Solow Efficiency Wages, Unemployment Insurance and Dynamic Deterministic Indeterminacy," Working Papers 2006_60, Department of Economics, University of Venice "Ca' Foscari".
  • Handle: RePEc:ven:wpaper:2006_60
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    References listed on IDEAS

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    11. Cazzavillan, Guido & Lloyd-Braga, Teresa & Pintus, Patrick A., 1998. "Multiple Steady States and Endogenous Fluctuations with Increasing Returns to Scale in Production," Journal of Economic Theory, Elsevier, vol. 80(1), pages 60-107, May.
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    Cited by:

    1. Jean-Michel Grandmont, 2016. "Endogenous Procyclicality of Labor Productivity, Employment, Real Wages and Effort in Conditionally Heteroskedastic Sunspots Unemployment Business Cycles with Negishi-Solow Efficiency Wages," Working Papers 2016:10, Department of Economics, University of Venice "Ca' Foscari".
    2. Lloyd-Braga, Teresa & Modesto, Leonor & Seegmuller, Thomas, 2014. "Market distortions and local indeterminacy: A general approach," Journal of Economic Theory, Elsevier, vol. 151(C), pages 216-247.
    3. Marta Aloi & Teresa Lloyd-Braga & Manuel Leite-Monteiro, 2017. "Welfare benefit reforms and employment," Discussion Papers 2017/02, University of Nottingham, Centre for Finance, Credit and Macroeconomics (CFCM).
    4. Robert Jump, 2014. "A Fair Wage Explanation of Labour Market Volatility," Studies in Economics 1413, School of Economics, University of Kent.
    5. Dos Santos Ferreira, Rodolphe & Lloyd-Braga, Teresa & Modesto, Leonor, 2015. "The destabilizing effects of the social norm to work under a social security system," Mathematical Social Sciences, Elsevier, vol. 76(C), pages 64-72.

    More about this item

    Keywords

    Efficiency wages; involuntary unemployment; unemployment insurance; effort incentives; local indeterminacy; capital-labour substitution; local bifurcations.;

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium

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