A decline in Japan's currency to a range of 95-100 against a dollar is not a matter of concern, Koichi Hamada, a special economic adviser to Prime Minister Shinzo Abe said Friday.
But further weakness of yen to 110 per dollar would pose a problem to the economy, he said in Tokyo.
Hamada, a Yale University professor, said the Bank of Japan is likely to initiate further monetary easing at the next policy meeting on January 21-22.
The BoJ currently has an inflation target of 1 percent, which is widely expected to adopt a target of 2 percent as sought by Prime Minister Shinzo Abe.
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