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Financial Frictions and the Interest-Rate Differential in a Dollarized Economy


  • Vega, Hugo

    (Banco Central de Reserva del Perú
    London School of Economics)


This paper presents a partial equilibrium characterization of the credit market in an economy with partial financial dollarization. Financial frictions, in the form of costly state veri cation and banking regulation restrictions, are introduced and their impact on lending and deposit interest rates denominated in domestic and foreign currency studied. The analysis shows that reserve requirements act as a tax that leads banks to decrease deposit rates, while the wedge between foreign and domestic currency lending rates is decreasing in exchange rate volatility and increasing in the degree of correlation between entrepreneurs returns and the exchange rate.

Suggested Citation

  • Vega, Hugo, 2012. "Financial Frictions and the Interest-Rate Differential in a Dollarized Economy," Working Papers 2012-002, Banco Central de Reserva del Perú.
  • Handle: RePEc:rbp:wpaper:2012-002

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    References listed on IDEAS

    1. Ethan Cohen-Cole & Enrique Martínez-García, 2011. "The Balance Sheet Channel," Central Banking, Analysis, and Economic Policies Book Series,in: Rodrigo Alfaro (ed.), Financial Stability, Monetary Policy, and Central Banking, edition 1, volume 15, chapter 9, pages 255-297 Central Bank of Chile.
    2. Matteo Iacoviello, 2005. "House Prices, Borrowing Constraints, and Monetary Policy in the Business Cycle," American Economic Review, American Economic Association, vol. 95(3), pages 739-764, June.
    3. Ignazio Angeloni, 2009. "A Tale of Two Policies: Prudential Regulation and Monetary Policy with Fragile Banks," Working Papers 345, Bruegel.
    4. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2005. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 113(1), pages 1-45, February.
    5. Andrea Gerali & Stefano Neri & Luca Sessa & Federico M. Signoretti, 2010. "Credit and Banking in a DSGE Model of the Euro Area," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(s1), pages 107-141, September.
    6. Gertler, Mark & Karadi, Peter, 2011. "A model of unconventional monetary policy," Journal of Monetary Economics, Elsevier, vol. 58(1), pages 17-34, January.
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    Cited by:

    1. Vega, Hugo, 2012. "Fricciones financieras y el diferencial de tasas de interés en una economía dolarizada," Revista Estudios Económicos, Banco Central de Reserva del Perú, issue 24, pages 9-26.

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