Roland Fryer 撰文：投资者如何衡量“影响力”？建立统一标准有助于扩大经济机会
How do investors measure “impact”? Developing a common standard would be one of the best ways of expanding economic opportunity, writes Roland Fryer...
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Roland Fryer 撰文指出，投资者衡量“影响力”缺乏统一方式，建立一套通用标准是扩大经济机会的最佳途径之一。
来源：@WSJopinion · x.com