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The collateral channel of unconventional monetary policy

Author

Listed:
  • Giuseppe Ferrero

    (Bank of Italy)

  • Michele Loberto

    (Bank of Italy)

  • Marcello Miccoli

    (Bank of Italy)

Abstract

We build a general equilibrium model - along the lines of Williamson (2012) - where financial assets can be used as collateral in secured interbank markets to obtain reserves (central bank money). In this framework, frictions in the exchange process give rise to a liquidity premium for assets. An open market operation that provides reserves in exchange for assets decreases the availability of collateral by increasing its liquidity premium (and decreasing its return). The magnitude of the effect depends on assets' pledgeability properties (haircuts). We explore the positive implications of the model shown in the data. Focusing on the period 2009-2014, we analyse the relationship between yields of euro-area government bonds and the relative amount of bonds and central bank reserves held by the euro-area banking sector. We find evidence consistent with our model: yields decrease when reserves increase relative to bonds, with the effect being stronger at lower levels of haircuts. The results are confirmed after several robustness checks.

Suggested Citation

  • Giuseppe Ferrero & Michele Loberto & Marcello Miccoli, 2017. "The collateral channel of unconventional monetary policy," Temi di discussione (Economic working papers) 1119, Bank of Italy, Economic Research and International Relations Area.
    • Handle: RePEc:bdi:wptemi:td_1119_17
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    References listed on IDEAS

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    More about this item

    Keywords

    unconventional monetary policy; secured interbank market; asset prices;
    All these keywords.

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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