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Optimal Liquidity Regulation With Shadow Banking

Author

Listed:
  • Grochulski, Borys

    (Federal Reserve Bank of Richmond)

  • Zhang, Yuzhe

    (Texas A&M University)

Abstract

We study the impact of shadow banking on optimal liquidity regulations in a Diamond-Dybvig maturity mismatch environment. A pecuniary externality arising out of the banks' access to private retrade renders competitive equilibrium inefficient. Shadow banking provides an outside option for banks, which adds a new constraint in the mechanism design problem that determines the optimal allocation. A tax on illiquid assets and a subsidy to the liquid asset similar to the payment of interest on reserves (IOR) constitute an optimal liquidity regulation policy in this economy. During expansions, i.e., when the return on illiquid assets is high, the threat of investors flocking out to shadow banking pins down optimal policy rates. These rates do not respond to business cycle fluctuations as long as the economy stays out of recession. In recessions, when the return on illiquid assets is low, optimal liquidity regulation policy becomes sensitive to the business cycle: both policy rates are reduced, with deeper discounts given in deeper recessions. In addition, when high aggregate demand for liquidity is anticipated, the IOR rate is reduced and, unless the shadow banking constraint binds, the tax rate on illiquid assets is increased.

Suggested Citation

  • Grochulski, Borys & Zhang, Yuzhe, 2015. "Optimal Liquidity Regulation With Shadow Banking," Working Paper 15-12, Federal Reserve Bank of Richmond, revised 15 Oct 2015.
  • Handle: RePEc:fip:fedrwp:15-12
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    References listed on IDEAS

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    Cited by:

    1. Julien Bengui & Javier Bianchi & Louphou Coulibaly, 2016. "Financial Safety Nets," NBER Working Papers 22594, National Bureau of Economic Research, Inc.
    2. repec:spr:joecth:v:66:y:2018:i:1:d:10.1007_s00199-017-1059-7 is not listed on IDEAS
    3. John Geanakoplos & Kieran James Walsh, 2017. "Inefficient Liquidity Provision," Cowles Foundation Discussion Papers 2077, Cowles Foundation for Research in Economics, Yale University.
    4. Farhi, Emmanuel & Tirole, Jean, 2017. "Shadow Banking and the Four Pillars of Traditional Financial Intermediation," CEPR Discussion Papers 12373, C.E.P.R. Discussion Papers.

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