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Trading News Stories
Bank of Japan's Yen
Intervention: Only Coordinated Action Will Make It Effective
October 4, 2010 by Samuel Chong
With Japanese Yen appreciating to the levels of the first intervention
of Bank of Japan, the likelihood of a second intervention increases.
The European Union gave some support on Wednesday to Japan's
intervention to weaken the rising yen but said such action would have had
more impact if had it been coordinated with others.
"Unilateral actions are not the appropriate way to deal with global
imbalances," Eurogroup Chairman Jean-Claude Juncker, on a trip to
Switzerland, said when asked about the Bank of Japan's action.
According to a research paper titled "Is Official Foreign Exchange
Intervention Effective?" published by the Federal Reserve Bank of San
Francisco in 2003, for the 26 central bank interventions that were
studied, interventions that were coordinated between the Bank of Japan and
the Federal Reserve or the Bundesbank and the Federal Reserve—that is,
where both central banks were in the market at the same time—had a larger
impact on exchange rates than unilateral foreign exchange operations.
Furthermore, the likelihood of success was greater the larger the volume
of intervention and the longer the central bank was persistently "in the
market." Moreover, intervention supported by central bank interest rate
changes has an even larger impact than intervention alone—but both are
effective in moving exchange rates.
Finance Minister Yoshihiko Noda, who will reportedly keep his post after a
cabinet reshuffle, indicated Tokyo acted alone on the yen. He said he was
in contact with authorities overseas.
But an EU source said Japan had not even informed the Europeans, or the
United States, about the intervention.
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