TOKYO (AFX-ASIA) - Bank of Japan governor Masaru Hayami said he does not think the recent rise in the yen is too sharp, despite concerns expressed by Finance Minister Masajuro Shiokawa. "The yen has just returned to levels seen in December last year when it started its decline against the dollar," Hayami told reporters at the prime minister's official residence. "I don't think the yen's rise is too sharp. The level should be determined by the market," he said, when asked about the apparent differing views on the issue between the central bank and the finance ministry.