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Productivity shocks and optimal monetary policy in a unionized labor market economy

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  • Mattesini Fabrizio
  • Rossi Lorenza

Abstract

In this paper we analyze a general equilibrium dynamic stochastic New Keynesian model characterized by labor indivisibilities, unemployment and a unionized labor market. The presence of monopoly unions introduces real wage rigidities in the model. We show that as in Blanchard Galì (2005) the so called "divine coincidence" does not hold and a trade-off between inflation stabilization and the output stabilization arises. In particular, a productivity shock has a negative effect on inflation, while a reservation-wage shock has an effect of the same size but with the opposite sign. We derive a welfare-based objective function for the Central Bank as a second order Taylor approximation of the expected utility of the economy's representative household, and we analyze optimal monetary policy under discretion and under commitment. Under discretion a negative productivity shock and a positive exogenous wage shock will require an increase in the nominal interest rate. An operational instrument rule, in this case, will satisfy the Taylor principle, but will also require that the nominal interest rate does not necessarily respond one to one to an increase in the efficient rate of interest. The model is calibrated under different monetary policy rules and under the optimal rule. We show that the correlation between productivity shocks and employment is strongly influenced by the monetary policy regime. The results of the model are consistent with a well known empirical regularity in macroeconomics, i.e. that employment volatility is relatively larger than real wage volatility.

Suggested Citation

  • Mattesini Fabrizio & Rossi Lorenza, 2007. "Productivity shocks and optimal monetary policy in a unionized labor market economy," wp.comunite 0023, Department of Communication, University of Teramo.
  • Handle: RePEc:ter:wpaper:0023
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    Cited by:

    1. Maria Flavia Ambrosanio & Massimo Bordignon & Floriana Cerniglia, 2010. "Constitutional Reforms, Fiscal Decentralization and Regional Fiscal Flows in Italy," Chapters,in: The Political Economy of Inter-Regional Fiscal Flows, chapter 4 Edward Elgar Publishing.
    2. Stefano Colombo, 2008. "Discriminatory prices, endogenous locations and the Prisoner Dilemma problem," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0079, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
    3. Luca Colombo & Herbert Dawid & Kordian Kabus, 2012. "When do thick venture capital markets foster innovation? An evolutionary analysis," Journal of Evolutionary Economics, Springer, vol. 22(1), pages 79-108, January.
    4. Baglioni, Angelo & Monticini, Andrea, 2010. "The intraday interest rate under a liquidity crisis: The case of August 2007," Economics Letters, Elsevier, vol. 107(2), pages 198-200, May.
    5. Giuseppe Mastromatteo, 2011. "The Debate on the Crisis: Recent Reappraisals of the Concept of Functional Finance," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0105, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
    6. Ester Faia & Lorenza Rossi, 2013. "Union Power, Collective Bargaining, And Optimal Monetary Policy," Economic Inquiry, Western Economic Association International, vol. 51(1), pages 408-427, January.
    7. Sandro Brusco & Luca Colombo & Umberto Galmarini, 2010. "Local Governments Tax Autonomy, Lobbying, and Welfare," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0097, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
    8. Nymoen, Ragnar & Swensen, Anders Rygh & Tveter, Eivind, 2012. "Interpreting the evidence for New Keynesian models of inflation dynamics," Journal of Macroeconomics, Elsevier, vol. 34(2), pages 253-263.
    9. Giuseppe Mastromatteo, 2011. "H.P. Minsky And Policies To Countervail Crises," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0102, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
    10. Matsui, Muneya & Yoshimi, Taiyo, 2015. "Macroeconomic dynamics in a model with heterogeneous wage contracts," Economic Modelling, Elsevier, vol. 49(C), pages 72-80.

    More about this item

    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
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • J23 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Demand
    • J51 - Labor and Demographic Economics - - Labor-Management Relations, Trade Unions, and Collective Bargaining - - - Trade Unions: Objectives, Structure, and Effects

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