Japan’s economy expanded at its fastest pace in a year in January-March but growth was inflated by inventory as business investment failed to gather momentum, keeping alive expectations for more monetary stimulus later this year. Economics Minister Akira Amari said while the economy is seen recovering moderately, some weakness remained in capital expenditure as companies remained cautious of spending their abundant cash. “In terms of sentiment, Japan hasn’t emerged from deflation yet,” Amari told reporters after the data’s release.