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Long-run Phillips Curve and Disinfation Dynamics: Calvo vs. Rotemberg Price Setting

Author

Listed:
  • Rossi Lorenza

    (DISCE, Università Cattolica)

  • Guido Ascari

    (Università di Pavia)

Abstract
There is widespread agreement that the two most widely used pricing assumptions in the New-Keynesian literature, i.e., Calvo and Rotemberg price-setting mechanisms, deliver equivalent dynamics. We show that, instead, they entail a very di¤erent dynamics of adjustment after a disin?ation, once non linear simulations are employed. In the Calvo model disin?ation implies output gains, while in the Rotemberg model a disin?ation experiment implies output losses. We show that this is due to the di¤erent wedges created by the nominal rigidities in the two models: between output and hours in the Calvo model, while between output and consumption in the Rotemberg model. More- over, unlike the Calvo model, in the Rotemberg model real wage rigidi- ties cause a signi?cant output slump along the adjustment path, thus restoring a dynamics in line both with the conventional wisdom and the empirical evidence.

Suggested Citation

  • Rossi Lorenza & Guido Ascari, 2008. "Long-run Phillips Curve and Disinfation Dynamics: Calvo vs. Rotemberg Price Setting," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0082, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
    • Handle: RePEc:ctc:serie3:ief0082
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    File URL: http://www.unicatt.it/Istituti/EconomiaFinanza/Quaderni/ief0082.pdf
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    References listed on IDEAS

    as
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    Cited by:

    1. Sandro Brusco & Luca Colombo & Umberto Galmarini, 2010. "Local Governments Tax Autonomy, Lobbying, and Welfare," Department of Economics Working Papers 10-01, Stony Brook University, Department of Economics.
    2. Maria Flavia Ambrosanio & Massimo Bordignon & Floriana Cerniglia, 2010. "Constitutional Reforms, Fiscal Decentralization and Regional Fiscal Flows in Italy," Chapters, in: Núria Bosch & Marta Espasa & Albert Solé Ollé (ed.), The Political Economy of Inter-Regional Fiscal Flows, chapter 4, Edward Elgar Publishing.
    3. Damjanovic, Tatiana & Nolan, Charles, 2011. "Second-order approximation to the Rotemberg model around a distorted steady state," Economics Letters, Elsevier, vol. 110(2), pages 132-135, February.
    4. 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).
    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. Tatiana Damjanovic & Charles Nolan, 2009. "Second Order Accurate Approximation to the Rotemberg Model Around a Distorted Steady State," CDMA Working Paper Series 200907, Centre for Dynamic Macroeconomic Analysis, revised 15 Apr 2010.

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    More about this item

    Keywords

    Disinfation; Sticky Prices; Nonlinearities;
    All these keywords.

    JEL classification:

    • G3 - Financial Economics - - Corporate Finance and Governance

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