A regime - switching approach to studying speculative attacks: focus on European Monetary System crises

Maria Soledad Martinez Peria

No 2132, Policy Research Working Paper Series from The World Bank

Abstract: The author uses a regime switching framework to study speculative attacks against European Monetary System (EMS) currencies during 1979-93. She identifies speculative attacks by modeling exchange rates, reserves, and interest rates as time series subject to discrete regime shifts. She assumes two states:"tranquil"and"speculative."She models the probabilities of switching between states as a function of fundamentals and expectations. She concludes that: A) The switching models with time -varying transition probabilities capture most of the conventional episodes of speculative attacks. B) Speculative attacks do not always coincide with currency realignments. C) Both economic fundamentals and expectations determine the likelihood of switching from a period of tranquility to a speculative attack. The budget deficit appears to be an especially important factor driving the probability of switching to a speculative regime. Given the importance of anticipating and, wherever possible, avoiding crises, it might be useful to conduct forecasting exercises to determine whether the switching framework proposed here can be used to forecast crises in countries outside the sample. Because currency crises tend to occur simultaneously in two or more countries, it also might be useful to adapt the regime - switching framework to explore the role of contagion in explaining crises.

Keywords: Payment Systems&Infrastructure; Statistical&Mathematical Sciences; Environmental Economics&Policies; Economic Theory&Research; Fiscal&Monetary Policy; Economic Theory&Research; Economic Stabilization; Environmental Economics&Policies; Macroeconomic Management; Fiscal&Monetary Policy (search for similar items in EconPapers)
Date: 1999-06-30
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Citations: View citations in EconPapers (2)

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