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The success (or otherwise) of yen intervention

The intervention by the Japanese authorities last Monday has succeeded in weakening the yen and reducing exchange rate volatility, for now at least. The Ministry of Finance has a long history of trying to influence the value of the yen but success has generally been short-lived at best. Ultimately, the underlying fundamentals driving the yen higher remain in place, suggesting last week’s intervention will slow rather than stop the appreciation of the currency.

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