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Asset prices, liquidity, and monetary policy in the search theory of money

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  • Ricardo Lagos

Abstract

I present a search-based model in which money coexists with equity shares on a risky aggregate endowment. Agents can use equity as a means of payment, so shocks to equity prices translate into aggregate liquidity shocks that disrupt the mechanism of exchange. I characterize a family of optimal monetary policies, and find that the resulting equity prices are independent of monetary considerations. I also study monetary policies that target a constant, but nonzero, nominal interest rate, and find that to the extent that a financial asset is valued as a means to facilitate transactions, the asset?s real rate of return will include a liquidity return that depends on monetary considerations. Through this liquidity channel, persistent deviations from an optimal monetary policy can cause the real prices of assets that can be used to relax trading constraints to exhibit persistent deviations from their fundamental values.

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  • Ricardo Lagos, 2010. "Asset prices, liquidity, and monetary policy in the search theory of money," Quarterly Review, Federal Reserve Bank of Minneapolis, issue July, pages 14-20.
    • Handle: RePEc:fip:fedmqr:y:2010:i:july:p:14-20:n:v.33no.1
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    References listed on IDEAS

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    1. Ricardo Lagos & Randall Wright, 2005. "A Unified Framework for Monetary Theory and Policy Analysis," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 463-484, June.
    2. Green, Jerry R. & Scheinkman, Josè Alexandre (ed.), 1979. "General Equilibrium, Growth, and Trade," Elsevier Monographs, Elsevier, edition 1, number 9780122987502.
    3. Lagos, Ricardo, 2010. "Asset prices and liquidity in an exchange economy," Journal of Monetary Economics, Elsevier, vol. 57(8), pages 913-930, November.
    4. Ricardo Lagos, 2011. "Asset Prices, Liquidity, and Monetary Policy in an Exchange Economy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43(s2), pages 521-552, October.
    5. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-1445, November.
    6. Lagos, Ricardo, 2010. "Some results on the optimality and implementation of the Friedman rule in the Search Theory of Money," Journal of Economic Theory, Elsevier, vol. 145(4), pages 1508-1524, July.
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    Cited by:

    1. Aleksander Berentsen & Alessandro Marchesiani & Christopher Waller, 2014. "Floor Systems for Implementing Monetary Policy: Some Unpleasant Fiscal Arithmetic," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 17(3), pages 523-542, July.
    2. Rocheteau, Guillaume, 2011. "Payments and liquidity under adverse selection," Journal of Monetary Economics, Elsevier, vol. 58(3), pages 191-205.
    3. Gara Afonso & Ricardo Lagos, 2015. "Trade Dynamics in the Market for Federal Funds," Econometrica, Econometric Society, vol. 83, pages 263-313, January.
    4. Philippon, Thomas & Midrigan, Virgiliu, 2011. "Household Leverage and the Recession," CEPR Discussion Papers 8381, C.E.P.R. Discussion Papers.
    5. Aleksander Berentsen & Alessandro Marchesiani & Christopher J. Waller, 2010. "Channel systems: why is there a positive spread?," IEW - Working Papers 517, Institute for Empirical Research in Economics - University of Zurich.
    6. Chao Gu & Guido Menzio & Randall Wright & Yu Zhu, 2020. "Toxic Assets and Market Freezes," Working Papers 2001, Department of Economics, University of Missouri.

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