A study last year by Ayhan Kose of the IMF, Christopher Otrok of the University of Virginia and Eswar Prasad of Cornell University gave some support to this idea.

• 去年，世界货币基金组织的寇斯、弗吉尼亚大学的奥戳可和康奈尔大学的普拉萨德的一项研究支持了这一观点。