Interventions in the Yen-Dollar Spot Market: A Story of Price, Volatility and Volume

Suk-Joong Kim () and Jeffrey Sheen

Chapter 3 in Information Spillovers and Market Integration in International Finance:Empirical Analyses, 2018, pp 73-106 from World Scientific Publishing Co. Pte. Ltd.

Abstract: We test the effectiveness of Bank of Japan (BOJ)’s foreign exchange interventions on conditional first and second moments of exchange rate returns and traded volumes, using a bivariate EGARCH model of the Yen/USD market from 5-13-1991 to 3-30-2004. We also estimate a friction model of BOJ’s intervention reaction function based on reducing short-term market disorderliness and supplementing domestic monetary policy. Important finding of this study are that: (i) we find ineffectiveness of BOJ interventions in influencing exchange rate trends pre-1995, in general, but effectiveness post-1995; (ii) FED intervention amplified the effectiveness of the BOJ transactions; (iii) interventions amplified market volatility and volumes through a ‘learning by trading’ process; (iv) BOJ’s interventions were based on ‘leaning against the wind’ motivations on the exchange rate trend and volumes; and (v) BOJ interventions were vigorously used in support of domestic monetary policy objectives post-1995. Though some of our findings confirm recent studies, our analysis goes deeper to provide new findings with important implications for central banks and foreign exchange market participants.

Keywords: Currency Intervention; Macroeconomic News; International Capital Flows; Sovereign Credit Rating (search for similar items in EconPapers)
JEL-codes: F30 (search for similar items in EconPapers)
Date: 2018
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Journal Article: Interventions in the Yen-dollar spot market: A story of price, volatility and volume (2006)
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