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Early Warning Systems: A Survey and a Regime-Switching Approach
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Author/Editor: |
Abiad, Abdul |
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February 1, 2003 |
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Electronic Access: |
Free Full Text (PDF file size is 1,914KB)
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Disclaimer: This Working Paper should not be reported as representing the views of the IMF. The views expressed in this Working Paper are those of the author(s) and do not necessarily represent those of the IMF or IMF policy. Working Papers describe research in progress by the author(s) and are published to elicit comments and to further debate.
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Summary: Previous early-warning systems (EWSs) for currency crises have relied on models that require a priori dating of crises. This paper proposes an alternative EWS, based on a Markov-switching model, which identifies and characterizes crisis periods endogenously; this also allows the model to utilize information contained in exchange rate dynamics. The model is estimated using data for the period 1972-99 for the Asian crisis countries, taking a country-by-country approach. The model outperforms standard EWSs, both in signaling crises and reducing false alarms. Two lessons emerge. First, accounting for the dynamics of exchange rates is important. Second, different indicators matter for different countries, suggesting that the assumption of parameter constancy underlying panel estimates of EWSs may contribute to poor performance.
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Order a print copy
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Series: |
Working Paper No. 03/32 |
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Subject(s): |
Financial crisis | Currencies | Economic models |
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Author's keyword(s): |
Currency crisis
| early warning system
| regime switching
| Markov switching
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Published: |
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February 1, 2003 |
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ISBN/ISSN: |
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1934-7073 |
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Format: |
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Paper |
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Stock No: |
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WPIEA0322003 |
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Pages: |
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59 |
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Price: |
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US$15.00 (Academic Rate: US$15.00 )
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