Risk Matters: The Real Effects of Volatility Shocks

Martín Uribe (), Rubio-Ramírez, Juan Francisco, Fernández-Villaverde, Jesús and Pablo Guerron
Authors registered in the RePEc Author Service: Jesus Fernandez-Villaverde and Juan F Rubio-Ramirez

No 7264, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: This paper shows how changes in the volatility of the real interest rate at which small open emerging economies borrow have a quantitatively important effect on real variables like output, consumption, investment, and hours worked. To motivate our investigation, we document the strong evidence of time-varying volatility in the real interest rates faced by a sample of four emerging small open economies: Argentina, Ecuador, Venezuela, and Brazil. We postulate a stochastic volatility process for real interest rates using T-bill rates and country spreads and estimate it with the help of the Particle filter and Bayesian methods. Then, we feed the estimated stochastic volatility process for real interest rates in an otherwise standard small open economy business cycle model. We calibrate eight versions of our model to match basic aggregate observations, two versions for each of the four countries in our sample. We find that an increase in real interest rate volatility triggers a fall in output, consumption, investment, and hours worked, and a notable change in the current account of the economy.

Keywords: Dsge models; Small open economy; stochastic volatility (search for similar items in EconPapers)
JEL-codes: C32 C63 F32 F41 (search for similar items in EconPapers)
Date: 2009-04
New Economics Papers: this item is included in nep-cba, nep-dge and nep-mac
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (29)

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Related works:
Journal Article: Risk Matters: The Real Effects of Volatility Shocks (2011)
Working Paper: Risk Matters: The Real Effects of Volatility Shocks (2010)
Working Paper: Risk Matters: The Real Effects of Volatility Shocks (2009)
Working Paper: Risk Matters: The Real Effects of Volatility Shocks (2009)
Working Paper: Risk Matters: The Real E¤ects of Volatility Shocks (2009)
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