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Degreasing the wheels of finance

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  • 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

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    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

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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. Athanasios Geromichalos & Lucas Herrenbrueck, 2022. "The Liquidity-Augmented Model of Macroeconomic Aggregates: A New Monetarist DSGE Approach," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 45, pages 134-167, July.
    3. Athanasios Geromichalos & Lucas Herrenbrueck & Sukjoon Lee, 2023. "The Strategic Determination of the Supply of Liquid Assets," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 1-36, July.
    4. Huber, Samuel & Kim, Jaehong, 2019. "The role of trading frictions in financial markets," Journal of Economic Dynamics and Control, Elsevier, vol. 99(C), pages 1-18.
    5. Begona Dominguez & Pedro Gomis-Porqueras, 2019. "The effects of secondary markets for government bonds on inflation dynamics," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 32, pages 249-273, April.
    6. 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.
    7. van Buggenum, Hugo, 2021. "Coexistence of Money and Interest-Bearing Bonds," Other publications TiSEM 0bd7c6fc-3779-4bf3-9100-0, Tilburg University, School of Economics and Management.
    8. 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.
    9. Miroslav Gabrovski & Athanasios Geromichalos & Lucas Herrenbrueck & Ioannis Kospentaris & Sukjoon Lee, 2023. "The real effects of financial disruptions in a monetary economy," Working Papers 2301, VCU School of Business, Department of Economics.
    10. Lukas Altermatt & Kohei Iwasaki & Randall Wright, . "General Equilibrium with Multiple Liquid Assets"," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics.
    11. Herrenbrueck, Lucas & Geromichalos, Athanasios, 2017. "A tractable model of indirect asset liquidity," Journal of Economic Theory, Elsevier, vol. 168(C), pages 252-260.
    12. Athanasios Geromichalos & Lucas Herrenbrueck & Sukjoon Lee, 2023. "The Strategic Determination of the Supply of Liquid Assets," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 1-36, July.
    13. Mohammed Ait Lahcen & Pedro Gomis‐Porqueras, 2021. "A Model of Endogenous Financial Inclusion: Implications for Inequality and Monetary Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 53(5), pages 1175-1209, August.
    14. Athanasios Geromichalos & Kuk Mo Jung, 2019. "Monetary policy and efficiency in over‐the‐counter financial trade," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 52(4), pages 1699-1754, November.
    15. Kang, Kee-Youn, 2021. "Optimal contract for asset trades: Collateralizing or selling?," Journal of Financial Markets, Elsevier, vol. 56(C).
    16. 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.
    17. Yin, Zhichao & Peng, Hongfeng & Xiao, Weiguo & Xiao, Zumian, 2022. "Capital control and monetary policy coordination: Tobin tax revisited," Research in International Business and Finance, Elsevier, vol. 59(C).
    18. van Buggenum, Hugo, 2021. "Coexistence of Money and Interest-Bearing Bonds," Discussion Paper 2021-019, Tilburg University, Center for Economic Research.
    19. Athanasios Geromichalos & Kuk Mo Jung & Seungduck Lee & Dillon Carlos, 2019. "Asset Liquidity in Monetary Theory and Finance: A Unified Approach," Working Papers 1905, Research Institute for Market Economy, Sogang University.
    20. Luis Araujo & Leo Ferraris, 2020. "Money, Bonds, and the Liquidity Trap," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 52(7), pages 1853-1867, October.
    21. Jang, Inkee & Kang, Kee-Youn, 2021. "Adverse selection and costly information acquisition in asset markets," Journal of Mathematical Economics, Elsevier, vol. 97(C).
    22. Lee, Sukjoon, 2020. "Liquidity Premium, Credit Costs, and Optimal Monetary Policy," MPRA Paper 104825, University Library of Munich, Germany.

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    More about this item

    Keywords

    Monetary policy; liquidity; financial markets;
    All these keywords.

    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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