世界银行：十年后，集团咨询继续使企业受益：来自哥伦比亚汽车零部件公司的实验证据（英文版）

A randomized experiment tested the effectiveness of individual and small group–based consulting services on firms in the Colombian auto parts industry, finding improvements in management and firm performance over three to four years. This paper uses administrative data to track these firms for up to a decade. Firms in th