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Rule-of-thumb Consumers, Consumption Habits and the Taylor Principle

Author

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  • Giorgio Motta
  • Patrizio Tirelli

Abstract

We show that the combination rule-of-thumb consumers and consump- tion habits dramatically aspects the dynamic performance of DSGE mod- els, resurrecting Bilbiie's (2008) inverted Taylor principle. Another origi- nal contribution of the paper is the analysis of optimal operational simple rules when RT households and habit formation in consumption are taken into account. We are able to show that the higher the share of RT con- sumers the more important for the optimal monetary policy is the stabi- lization of the wage gap, the variable that drives consumption volatility for RT consumers. The combination of consumption habits and RT con- sumers aspect the dynamic performance of the model under the optimal simple rule. Even a relatively small share of RT consumers is sufficient to generate a substantial increase in volatility. When the share of RT con- sumers is sufficiently large to require an inversion of the Taylor principle to preserve dynamic stability, optimal monetary policy is forced to gen- erate some "unconventional" impulse-response functions. For instance, a favourable productivity shock is followed by an increase in inflation and by a positive output gap.

Suggested Citation

  • Giorgio Motta & Patrizio Tirelli, 2010. "Rule-of-thumb Consumers, Consumption Habits and the Taylor Principle," Working Papers 194, University of Milano-Bicocca, Department of Economics, revised Jul 2010.
  • Handle: RePEc:mib:wpaper:194
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    References listed on IDEAS

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    Cited by:

    1. Rabitsch, Katrin & Schoder, Christian, 2016. "Buffer stock savings in a New-Keynesian business cycle model," Department of Economics Working Paper Series 231, WU Vienna University of Economics and Business.
    2. Aaron Mehrotra & James Yetman, 2014. "Financial inclusion and optimal monetary policy," BIS Working Papers 476, Bank for International Settlements.
    3. Marwa Elsherif, 2019. "The Relationship between Financial Inclusion and Monetary Policy Transmission: The Case of Egypt," Proceedings of International Academic Conferences 9010737, International Institute of Social and Economic Sciences.
    4. Costa Junior, Celso Jose & Sampaio, Armando Vaz & Gonçalves, Flávio de Oliveria, 2012. "Income Transfer as Model of Economic Growth," MPRA Paper 45494, University Library of Munich, Germany.
    5. Costa Junior, Celso José & Sampaio, Armando Vaz, 2014. "Tax Reduction Policies of the Productive Sector and Its Impacts on Brazilian Economy," Dynare Working Papers 36, CEPREMAP.

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    More about this item

    Keywords

    Rule of Thumb Consumers; DSGE; Determinacy; Limited Asset; Market Participation; Taylor Principle; Optimal Simple Rule;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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