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Search in Asset Markets

Author

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  • Ricardo Lagos

    () (Economics New York University)

  • Guillaume Rocheteau

Abstract

This paper investigates how the degree of trading frictions in asset markets affects portfolio allocations, asset prices, efficiency, and several measures of liquidity, such as execution delays, bid-ask spreads, and trade volumes. To this end, we generalize the search-theoretic model of financial intermediation of Duffie, Garleanu and Pedersen (2005) to allow for more general preferences and idiosyncratic shock structure, unrestricted portfolio choices, aggregate uncertainty, and entry of financial intermediaries (dealers). Investors are subject to shocks that periodically change their desired asset holdings, and contact dealers to rebalance their portfolios. Investors and dealers are matched bilaterally according to a stochastic, time-consuming process, and the latter have instantaneous access to a competitive (inter-dealer) market for the asset. We study the model with a fixed measure of dealers and show that a steady-state equilibrium exists and is unique. We provide a simple condition on preferences under which a reduction in trading frictions (e.g., a reduction in execution delays) will lead to an increase in the price of the asset. We also study the connection between the volatility of asset prices and the degree of trading frictions. From a normative standpoint, we find that the asset allocation is constrained-inefficient unless investors have all the bargaining power in bilateral negotiations with dealers. We also analyze the model with entry of dealers, thereby endogenizing the extent of the trading frictions. We show that the dealers' entry decision introduces a feedback that can give rise to multiple equilibria, and construct examples. With entry, we find that both the portfolio allocation across investors and the number of dealers are socially inefficient

Suggested Citation

  • Ricardo Lagos & Guillaume Rocheteau, 2006. "Search in Asset Markets," 2006 Meeting Papers 869, Society for Economic Dynamics.
  • Handle: RePEc:red:sed006:869
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Gara Afonso & Ricardo Lagos, 2015. "Trade Dynamics in the Market for Federal Funds," Econometrica, Econometric Society, vol. 83, pages 263-313, January.
    2. Ricardo Lagos & Guillaume Rocheteau, 2009. "Liquidity in Asset Markets With Search Frictions," Econometrica, Econometric Society, vol. 77(2), pages 403-426, March.
    3. Pierre-Olivier Weill & Guillaume Rocheteau & Ricardo Lagos, 2007. "Crashes and Recoveries in Illiquid Markets," 2007 Meeting Papers 981, Society for Economic Dynamics.
    4. Huberto M. Ennis & John A. Weinberg, 2007. "Interest on reserves and daylight credit," Economic Quarterly, Federal Reserve Bank of Richmond, issue Spr, pages 111-142.
    5. Veronica Guerrieri & Guido Lorenzoni, 2009. "Liquidity and Trading Dynamics," Econometrica, Econometric Society, vol. 77(6), pages 1751-1790, November.
    6. Ricardo Lagos & Guillaume Rocheteau, 2007. "Search in Asset Markets: Market Structure, Liquidity, and Welfare," American Economic Review, American Economic Association, vol. 97(2), pages 198-202, May.
    7. Georges, Christophre, 2008. "Staggered updating in an artificial financial market," Journal of Economic Dynamics and Control, Elsevier, vol. 32(9), pages 2809-2825, September.
    8. Nicolae Gârleanu & Lasse Heje Pedersen, 2013. "Dynamic Trading with Predictable Returns and Transaction Costs," Journal of Finance, American Finance Association, vol. 68(6), pages 2309-2340, December.
    9. Ricardo Lagos, 2008. "The Research Agenda: Ricardo Lagos on Liquidity and the Search Theory of Money," EconomicDynamics Newsletter, Review of Economic Dynamics, vol. 10(1), November.

    More about this item

    Keywords

    Search; asset markets;

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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