Dislocations in the won-dollar swap markets during the crisis of 2007-09
AbstractForeign exchange (FX) derivatives markets in the Korean won are comparatively thin and vulnerable to impaired functioning. During the crisis, Korea faced dislocations in its FX swap and cross-currency swap markets, so severe that covered interest parity (CIP) between the Korean won and the US dollar was seriously violated. Using a variation of the EGARCH model, we find that global market uncertainty - as proxied by VIX, the volatility index - was the main factor explaining the movement of deviations from CIP in the three-month FX swap market during the crisis period. The credit risk of Korean banks - as proxied by their credit default swap spread - was also a significant factor explaining deviations from CIP in the three-year cross-currency swap market before the crisis, while the credit risk of US banks was significant during the crisis period. The Bank of Korea's provision of funds using its own foreign reserves was not effective in reducing deviations from CIP, but the Bank of Korea's loans of the US dollar proceeds of swaps with the US Federal Reserve were effective. This is because the loans funded by swaps with the US Federal Reserve effectively added to Korea's foreign reserves and enhanced market confidence.
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Bibliographic InfoPaper provided by Bank for International Settlements in its series BIS Working Papers with number 344.
Length: 36 pages
Date of creation: Apr 2011
Date of revision:
FX swap; cross-currency swap; regime switching; EGARCH model; foreign reserves;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-05-07 (All new papers)
- NEP-IFN-2011-05-07 (International Finance)
- NEP-MON-2011-05-07 (Monetary Economics)
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