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When Hosios meets Phillips: Connecting Efficiency and Stability to Demand Shocks

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  • Nicolas Petrosky-Nadeau
  • Etienne Wasmer
  • Philippe Weil

Abstract

In an economy with frictional goods and labor markets there exist a price and a wage that implement the constrained efficient allocation. This price maximizes the marginal revenue of labor, balancing a price and a trading effect on firm revenue, and this wage trades off the benefits of job creation against the cost of turnover in the labor market. We show under bargaining over prices and wages that a double Hosios condition: (i) implements the constrained efficient allocation; (ii) also minimizes the elasticity of labor market tightness and job creation to a demand shock, and; (iii) that the relative response of wages to that of unemployment to changes in demand flattens as workers lose bargaining power, and it is steepest when there is efficient rent sharing in the goods market between consumers and producers, thereby relating changes in the slope of a wage Phillips curve to the constrained efficiency of allocations.

Suggested Citation

  • Nicolas Petrosky-Nadeau & Etienne Wasmer & Philippe Weil, 2021. "When Hosios meets Phillips: Connecting Efficiency and Stability to Demand Shocks," Working Papers ECARES 2021-06, ULB -- Universite Libre de Bruxelles.
    • Handle: RePEc:eca:wpaper:2013/319747
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    References listed on IDEAS

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    1. A. W. Phillips, 1958. "The Relation Between Unemployment and the Rate of Change of Money Wage Rates in the United Kingdom, 1861–19571," Economica, London School of Economics and Political Science, vol. 25(100), pages 283-299, November.
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    3. Zachary Bethune & Michael Choi & Randall Wright, 2020. "Frictional Goods Markets: Theory and Applications," Review of Economic Studies, Oxford University Press, vol. 87(2), pages 691-720.
    4. Michaillat, Pascal & Saez, Emmanuel, 2014. "An economical business-cycle model," LSE Research Online Documents on Economics 86332, London School of Economics and Political Science, LSE Library.
    5. Mangin, Sephorah & Julien, Benoît, 2021. "Efficiency in search and matching models: A generalized Hosios condition," Journal of Economic Theory, Elsevier, vol. 193(C).
    6. Efraim Benmelech & Nittai K. Bergman & Hyunseob Kim, 2022. "Strong Employers and Weak Employees: How Does Employer Concentration Affect Wages?," Journal of Human Resources, University of Wisconsin Press, vol. 57(S), pages 200-250.
    7. Blanchard, Oliver & Cerutti, Eugenio & SUmmers, Lawrence, 2015. "Inflation and Activity - Two Explorations and Their Monetary Policy Implications," Working Paper Series 15-070, Harvard University, John F. Kennedy School of Government.
    8. Olivier Blanchard, 2016. "The Phillips Curve: Back to the '60s?," American Economic Review, American Economic Association, vol. 106(5), pages 31-34, May.
    9. Robert E. Hall, 2018. "Using Empirical Marginal Cost to Measure Market Power in the US Economy," NBER Working Papers 25251, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Siena Daniele, & Zago Riccardo., 2021. "Job Polarization and the Flattening of the Price Phillips Curve," Working papers 819, Banque de France.

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    More about this item

    Keywords

    Aggregate demand; unemployment; search and matching frictions; market power; constrained efficiency; wage Phillips curve;
    All these keywords.

    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
    • J63 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Turnover; Vacancies; Layoffs
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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