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Robust control in a Sticky information economy

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  • Francesco Giuli

Abstract

This paper analyzes the behavior of a central bank under strong (Knightian) uncertainty when the short run trade-off between output and inflation is represented by the Sticky Information Phillips Curve recently proposed by Mankiw and Reis (2002). By solving the robust control problem analytically, this paper elucidates the economic mechanisms at play in a sticky information economy and shows how and why the robust monetary policy in this economy differs from the optimal one identified by Ball, Mankiw and Reis (2005).

Suggested Citation

  • Francesco Giuli, 2007. "Robust control in a Sticky information economy," Working Papers in Public Economics 98, Department of Economics and Law, Sapienza University of Roma.
    • Handle: RePEc:sap:wpaper:wp98
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    References listed on IDEAS

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    1. Leitemo, Kai & Söderström, Ulf, 2008. "Robust Monetary Policy In The New Keynesian Framework," Macroeconomic Dynamics, Cambridge University Press, vol. 12(S1), pages 126-135, April.
    2. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules and Macroeconomic Stability: Evidence and Some Theory," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 115(1), pages 147-180.
    3. Kilponen, Juha, 2003. "A Positive theory of monetary policy and robust control," Bank of Finland Research Discussion Papers 18/2003, Bank of Finland.
    4. N. Gregory Mankiw & Ricardo Reis, 2002. "Sticky Information versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 117(4), pages 1295-1328.
    5. Ball, Laurence & Gregory Mankiw, N. & Reis, Ricardo, 2005. "Monetary policy for inattentive economies," Journal of Monetary Economics, Elsevier, vol. 52(4), pages 703-725, May.
    6. Benjamin D. Keen, 2007. "Sticky Price And Sticky Information Price‐Setting Models: What Is The Difference?," Economic Inquiry, Western Economic Association International, vol. 45(4), pages 770-786, October.
    7. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
    8. Tillmann Peter, 2009. "Does Model Uncertainty Justify Conservatism? Robustness and the Delegation of Monetary Policy," The B.E. Journal of Macroeconomics, De Gruyter, vol. 9(1), pages 1-28, June.
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    13. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
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    More about this item

    Keywords

    Robust control; sticky information; minmax policies.;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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