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Degreasing the wheels of finance

Author

Listed:
  • Aleksander Berentsen
  • Samuel Huber
  • Alessandro Marchesiani

Abstract

Can there be too much trading in financial markets? To address this question, we construct a dynamic general equilibrium model, where agents face idiosyncratic preference and technology shocks. A financial market allows agents to adjust their portfolio of liquid and illiquid assets in response to these shocks. The opportunity to do so reduces the demand for the liquid asset and, hence, its value. The optimal policy response is to restrict (but not eliminate) access to the financial market. The reason for this result is that the portfolio choice exhibits a pecuniary externality: An agent does not take into account that by holding more of the liquid asset, he not only acquires additional insurance but also marginally increases the value of the liquid asset which improves insurance for other market participants.

Suggested Citation

  • Aleksander Berentsen & Samuel Huber & Alessandro Marchesiani, 2012. "Degreasing the wheels of finance," ECON - Working Papers 101, Department of Economics - University of Zurich.
  • Handle: RePEc:zur:econwp:101
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    References listed on IDEAS

    as
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    Full references (including those not matched with items on IDEAS)

    Citations

    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. When restricting access to financial markets is good
      by Economic Logician in Economic Logic on 2013-01-31 21:36:00

    Citations

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    Cited by:

    1. Andolfatto, David & Martin, Fernando M. & Zhang, Shengxing, 2017. "Rehypothecation and liquidity," European Economic Review, Elsevier, vol. 100(C), pages 488-505.
    2. Berentsen, Aleksander & Huber, Samuel & Marchesiani, Alessandro, 2016. "The societal benefit of a financial transaction tax," European Economic Review, Elsevier, vol. 89(C), pages 303-323.
    3. Herrenbrueck, Lucas, 2014. "Quantitative Easing and the Liquidity Channel of Monetary Policy," MPRA Paper 70686, University Library of Munich, Germany, revised 10 Apr 2016.
    4. Samuel Huber & Jaehong Kim, 2015. "The role of trading frictions in financial markets," ECON - Working Papers 211, Department of Economics - University of Zurich, revised Jul 2017.
    5. 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.
    6. repec:eee:dyncon:v:79:y:2017:i:c:p:184-200 is not listed on IDEAS
    7. Zachary Bethune & Tai-Wei Hu & Guillaume Rocheteau, 2018. "Optimal Credit Cycles," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 27, pages 231-245, January.
    8. Geromichalos, Athanasios & Herrenbrueck, Lucas, 2016. "The Strategic Determination of the Supply of Liquid Assets," MPRA Paper 71454, University Library of Munich, Germany.
    9. repec:eee:dyncon:v:90:y:2018:i:c:p:208-219 is not listed on IDEAS
    10. Huber, Samuel & Kim, Jaehong, 2017. "On the optimal quantity of liquid bonds," Journal of Economic Dynamics and Control, Elsevier, vol. 79(C), pages 184-200.
    11. Silva, Mario, 2017. "New monetarism with endogenous product variety and monopolistic competition," Journal of Economic Dynamics and Control, Elsevier, vol. 75(C), pages 158-181.
    12. Herrenbrueck, Lucas & Geromichalos, Athanasios, 2017. "A tractable model of indirect asset liquidity," Journal of Economic Theory, Elsevier, vol. 168(C), pages 252-260.
    13. Athanasios Geromichalos & Lucas Herrenbrueck, 2017. "The Liquidity-Augmented Model of Macroeconomic Aggregates," Discussion Papers dp17-16, Department of Economics, Simon Fraser University.
    14. Athanasios, Geromichalos & Kuk Mo, Jung, 2016. "Monetary Policy and Efficiency in Over-the-Counter Financial Trade," MPRA Paper 71455, University Library of Munich, Germany.
    15. Geromichalos, Athanasios & Herrenbrueck, Lucas M. & Salyer, Kevin D., 2016. "A search-theoretic model of the term premium," Theoretical Economics, Econometric Society, vol. 11(3), September.
    16. Athanasios Geromichalos & Jiwon Lee & Seungduck Lee & Keita Oikawa, 2016. "Over-the-counter trade and the value of assets as collateral," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(3), pages 443-475, August.
    17. Mattesini, Fabrizio & Nosal, Ed, 2016. "Liquidity and asset prices in a monetary model with OTC asset markets," Journal of Economic Theory, Elsevier, vol. 164(C), pages 187-217.

    More about this item

    Keywords

    Monetary policy; liquidity; financial markets;

    JEL classification:

    • 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
    • E59 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Other

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