They may recall the lengthy spell of ex-US developed markets disappointing investors, and Japan’s long bouts with deflation. The Calvert International Responsible Index ETF (CVIE) is the cure as the exchange traded fund allocates almost 17% of its weight to Japanese stocks -- its largest country exposure. “As you may have seen, Japan's economy and financial markets have attracted outsized investor interest this year,” noted Chetan Ahya, Morgan Stanley's Chief Asia Economist.