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How do financial frictions a¤ect the spending multiplier during a liquidity trap?

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  • Julio A Carrillo

    (Banco de México)

  • Céline Poilly

    (AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

Abstract

We show that credit market imperfections substantially increase the government-spending multiplier when the economy enters a liquidity trap. This finding is explained by the tight association between capital goods and firms' collateral, a relationship that we highlight as the capital-accumulation channel. During a liquidity trap, a government spending expansion reduces the real interest rate, leading to a period of cheap credit. Entrepreneurs use this time to accumulate capital, which persistently improves their balance sheets and reduces their future costs of credit. A public spending expansion can thus encourage private investment, yielding consequently a large spending multiplier. This effect is further reinforced by Fisher's debt-deflation channel.

Suggested Citation

  • Julio A Carrillo & Céline Poilly, 2013. "How do financial frictions a¤ect the spending multiplier during a liquidity trap?," Post-Print hal-05468935, HAL.
    • Handle: RePEc:hal:journl:hal-05468935
    Note: View the original document on HAL open archive server: https://hal.science/hal-05468935v1
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