They looked at the repeated attempts by the Bank of Japan to pull its economy out of a deflationary mindset and concluded that other central banks might prove equally impotent.

• 他们研究了日本银行妄图挽救一步步滑向通货紧缩的经济态势所做的多次努力，得出结论说，其它中央银行看来也会同样徒劳。