Governments, however, need to understand the barriers to investment: regulatory failures; weak enablers, including financial and human capital; poor infrastructure; and substandard technology. And they must undertake rigorous cost-benefit analyses, in order to ensure that any intervention translates into private investment that promotes productivity growth.
但是，政府需要明白投资的壁垒：监管失灵；疲软的推动因子（包括金融和人力资本）；破败的基础设施；以及达不到标准的技术。它们还必须进行严格的成本-效益分析，以确保干预能够转化为促进生产率增长的私人投资。