美国商业投资短缺的加速器解释与证据一致。 证据表明，预测的需求增长相对强势的部门 — — 比如在电缆、通讯、数字平台、社交网络以及直到最近的能源等 — — 投资增长也相对强势。
The accelerator explanation of the shortfall in business investment in the US is consistent with evidence that, where projected demand growth has been relatively strong – for example, in cable, telecommunications, digital platforms, social networking, and, until recently, energy – investment growth has also been relatively strong.