English, Article, Journal or magazine article edition: A New Method for Identifying the Effects of Foreign Exchange Interventions Chih-nan Chen; Tsutomu Watanabe; Tomoyoshi Yabu

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Bookmark: http://trove.nla.gov.au/version/35296
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • A New Method for Identifying the Effects of Foreign Exchange Interventions
Author
  • Chih-nan Chen
  • Tsutomu Watanabe
  • Tomoyoshi Yabu
Physical Description
  • preprint
Notes
  • The monetary authorities react even to intraday changes in the exchange rate; however, in most cases, intervention data is available only at a daily frequency. This temporal aggregation makes it difficult to identify the effects of interventions on the exchange rate. We propose a new method based on Markov Chain Monte Carlo simulations to cope with this endogeneity problem: We use "data augmentation" to obtain intraday intervention amounts and then estimate the efficacy of interventions using the augmented data. Applying this method to Japanese data, we find that an intervention of one trillion yen moves the yen/​dollar rate by 1.7 percent, which is more than twice as large as the magnitude reported in previous studies applying OLS to daily observations. This shows the quantitative importance of the endogeneity problem due to temporal aggregation.
  • Foreign exchange intervention, Intraday data, Markov-chain Monte Carlo method, Endogeneity problem, Temporal aggregation
  • RePEc:ime:imedps:09-e-06
Language
  • English
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