Recent empirical contributions using sector-level data have outlined the importance of foreign direct investment backward spillovers on firms’ performances. Using a rich firm-level dataset, we construct measures of vertical linkages at the firm-level to include the differences in firms’ sourcing and supplying behaviour within an industry to better measure vertical spillovers derived from multinational activities. Our quantitative evidence shows that strong backward spillovers occur in our sample, while we find that both positive and negative spillover effects of forward linkages exist. In contrast, we find no evidence supporting the vertical spillovers in our data when using existing standard measures.

最近使用部门级数据进行的经验贡献概述了外国直接投资向后溢出对企业绩效的重要性。通过使用丰富的公司级数据集，我们可以在公司级构建垂直链接的度量，以包括行业内公司的采购和供应行为的差异，从而更好地度量源自跨国活动的垂直溢出。我们的定量证据表明，在我们的样本中发生了强烈的向后溢出，而我们发现正向链接同时存在正向和负向溢出效应。相比之下，当使用现有的标准量度时，我们发现没有证据支持我们数据中的垂直溢出。