In this paper, I develop a new identification method to solve the problem of simultaneous equations, based on heteroskedasticity of the structural shocks. I show that if the heteroskedasticity can be described as a two-regime process, then the system is just identified under relatively weak conditions. Identification is also discussed under more than two regimes, when the residuals exhibit ARCH behavior, and when there are aggregate shocks. This methodology is applied to measure contagion across sovereign bonds between Argentina and Mexico. The estimates of the simultaneous parameters are relatively to different definitions of the regimes.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
7493.
Length: Date of creation: Jan 2000 Date of revision: Handle: RePEc:nbr:nberwo:7493
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Find related papers by JEL classification: C30 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - General F32 - International Economics - - International Finance - - - Current Account Adjustment; Short-term Capital Movements
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Matthew Shapiro & Mark Watson, 1988.
"Sources of Business Cycles Fluctuations,"
NBER Chapters,
in: NBER Macroeconomics Annual 1988, Volume 3, pages 111-156
National Bureau of Economic Research, Inc.
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