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Optimal Monetary Policy under Asset Market Segmentation

Author

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  • Rajesh Singh
  • Amartya Lahiri
  • Carlos Vegh

Abstract

This paper studies optimal monetary policy in a small open economy under flexible prices. The paper’s key innovation is to analyze this question in the context of environments where only a fraction of agents participate in asset market transactions (i.e., asset markets are segmented). In this environment, we first show that there exist state contingent rules (based either on the rate of money growth or the devaluation rate) that can implement the first-best equilibrium. Such rules, however, would require the monetary authority to respond to contemporaneous shocks and would thus be difficult to implement. We then proceed to analyze optimal monetary policy rules within the class of non-state contingent rules. Our main result is that amongst non-state contingent rules, policies targeting monetary aggregates (which allow for nominal exchange rate flexibility) welfare-dominate rules that target the exchange rate. In particular, we find that a fixed exchange rate is never optimal. Our analysis would thus tend to support monetary policy arrangements that allow for nominal exchange rate flexibility

Suggested Citation

  • Rajesh Singh & Amartya Lahiri & Carlos Vegh, 2004. "Optimal Monetary Policy under Asset Market Segmentation," Econometric Society 2004 North American Summer Meetings 643, Econometric Society.
  • Handle: RePEc:ecm:nasm04:643
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    File URL: http://repec.org/esNASM04/up.4186.1080185553.pdf
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    References listed on IDEAS

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    1. Luis Felipe Céspedes & Roberto Chang & Andrés Velasco, 2004. "Balance Sheets and Exchange Rate Policy," American Economic Review, American Economic Association, vol. 94(4), pages 1183-1193, September.
    2. Guillermo A. Calvo & Carmen M. Reinhart, 2002. "Fear of Floating," The Quarterly Journal of Economics, Oxford University Press, vol. 117(2), pages 379-408.
    3. Lahiri, Amartya & Singh, Rajesh & Vegh, Carlos, 2007. "Segmented asset markets and optimal exchange rate regimes," Journal of International Economics, Elsevier, pages 1-21.
    4. Schmitt-Grohe, Stephanie & Uribe, Martin, 2001. "Stabilization Policy and the Costs of Dollarization," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 33(2), pages 482-509, May.
    5. Fernando Alvarez & Andrew Atkeson & Patrick J. Kehoe, 2002. "Money, Interest Rates, and Exchange Rates with Endogenously Segmented Markets," Journal of Political Economy, University of Chicago Press, vol. 110(1), pages 73-112, February.
    6. Richard Clarida & Jordi Gali & Mark Gertler, 2001. "Optimal Monetary Policy in Closed versus Open Economies: An Integrated Approach," NBER Working Papers 8604, National Bureau of Economic Research, Inc.
    7. Grossman, Sanford & Weiss, Laurence, 1983. "A Transactions-Based Model of the Monetary Transmission Mechanism," American Economic Review, American Economic Association, vol. 73(5), pages 871-880, December.
    8. Fernando Alvarez & Robert E. Lucas & Warren E. Weber, 2001. "Interest Rates and Inflation," American Economic Review, American Economic Association, vol. 91(2), pages 219-225, May.
    9. Alvarez, Fernando & Atkeson, Andrew, 1997. "Money and exchange rates in the Grossman-Weiss-Rotemberg model," Journal of Monetary Economics, Elsevier, vol. 40(3), pages 619-640, December.
    10. Fabio Ghironi & Alessandro Rebucci, 2000. "Monetary Rules for Emerging Market Economies," Boston College Working Papers in Economics 476, Boston College Department of Economics, revised 13 Aug 2001.
    11. Ernesto Talvi & Carlos A. Vegh, 2000. "Tax Base Variability and Procyclical Fiscal Policy," NBER Working Papers 7499, National Bureau of Economic Research, Inc.
    12. Sven Steinmo (ed.), 0. "Tax Policy," Books, Edward Elgar Publishing, number 1156, April.
    13. Chatterjee, Satyajit & Corbae, Dean, 1992. "Endogenous Market Participation and the General Equilibrium Value of Money," Journal of Political Economy, University of Chicago Press, vol. 100(3), pages 615-646, June.
    14. Michael B. Devereux & Charles Engel, 1998. "Fixed vs. Floating Exchange Rates: How Price Setting Affects the Optimal Choice of Exchange-Rate Regime," NBER Working Papers 6867, National Bureau of Economic Research, Inc.
    15. Rotemberg, Julio J, 1984. "A Monetary Equilibrium Model with Transactions Costs," Journal of Political Economy, University of Chicago Press, vol. 92(1), pages 40-58, February.
    16. Casey B. Mulligan & Xavier Sala-i-Martin, 2000. "Extensive Margins and the Demand for Money at Low Interest Rates," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 961-991, October.
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    Cited by:

    1. Amartya Lahiri & Rajesh Singh & Carlos A. Vegh, 2007. "Optimal Exchange Rate Regimes: Turning Mundell-Fleming's Dictum on its Head," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 54(3), pages 249-270, September.

    More about this item

    Keywords

    Optimal monetary policy; asset market segmentation;

    JEL classification:

    • F1 - International Economics - - Trade
    • F2 - International Economics - - International Factor Movements and International Business

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