NBER Publications by Vivian Z. Yue
Working Papers and Chapters
| March 2008 | A Solution to the Default Risk-Business Cycle Disconnect
with Enrique G. Mendoza: w13861
We propose a model that solves the crucial disconnect between business cycle models that treat default risk as an exogenous interest rate on working capital, and sovereign default models that treat output fluctuations as an exogenous process with ad-hoc default costs. The model replicates observed output dynamics around defaults, countercyclical spreads, high debt ratios, and key business cycle moments. Three features of the model are central for these results: working capital loans pay for imported inputs; default triggers an efficiency loss as imported inputs are replaced by imperfect domestic substitutes; and default on public and private foreign obligations occurs simultaneously. |
| November 2007 | Global Yield Curve Dynamics and Interactions: A Dynamic Nelson-Siegel Approach
with Francis X. Diebold, Canlin Li: w13588
The popular Nelson-Siegel (1987) yield curve is routinely fit to cross sections of intra-country bond yields, and Diebold and Li (2006) have recently proposed a dynamized version. In this paper we extend Diebold-Li to a global context, modeling a potentially large set of country yield curves in a framework that allows for both global and country-specific factors. In an empirical analysis of term structures of government bond yields for the Germany, Japan, the U.K. and the U.S., we find that global yield factors do indeed exist and are economically important, generally explaining significant fractions of country yield curve dynamics, with interesting differences across countries. |
| October 2003 | Country Spreads and Emerging Countries: Who Drives Whom?
with Martin Uribe: w10018
A number of studies have stressed the role of movements in US interest rates and country spreads in driving business cycles in emerging market economies. At the same time, country spreads have been found to respond to changes in both the US interest rate and domestic conditions in emerging markets. These intricate interrelationships leave open a number of fundamental questions: Do country spreads drive business cycles in emerging countries or vice versa, or both? Do US interest rates affect emerging countries directly or primarily through their effect on country spreads? This paper addresses these and other related questions using a methodology that combines empirical and theoretical elements. The main findings of the paper are: (1) US interest rate shocks explain about 20 percent of movem... |
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