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The Japanese yen's near-record strength despite three government currency-market interventions over the past year is sparking debate over how effective the strategy will be in the future.
Less than two weeks since the latest Japanese government yen selling Aug. 4, the dollar once again trades below ¥77, near the ¥76.25 post-World War II high for the strength of the Japanese currency reached in the days after the March natural and nuclear disasters. (In yen terms, the yen stands at about $1.30 per 100 yen, up 19% from $1.10 a year earlier.)
"These interventions will experience diminishing returns," said Stephen Jen, ...
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