中文摘要：

FDI在促进东道国经济规模扩张的同时，也会对企业能源使用效率产生一定的影响。本文利用江苏省1988家高新技术企业样本数据，试图揭示FDI与企业能源效率的关系。研究结果显示，虽然FDI对企业能源效率有正向影响，但来自不同国别（地区）FDI的促进作用存在明显差异，非港澳台地区FDI较之港澳台地区FDI对企业能源效率的提升作用更为显著，这可能与不同来源地跨国公司所有权优势的差异以及FDI在中国大陆投资的不同动机有关。同时，本文还发现，研发创新、人力资本以及国有资本份额也对能源效率产生比较显著的影响，而产业集聚因素对能源效率影响不明显。

英文摘要：

FDI is known that it can promote the expansion of the host countries＇ economies of scale, and also it affects the energy efficiency of enterprises. This paper tried to reveal the relationship between FDI and the energy efficiency by using the sample data of 1988 high-tech enterprises in Jiangsu province. The result shows that, although FDI has positive effects on energy efficiency of enterprises, the promotions of FDI among different countries are significantly different, for example, FDI of the Hong Kong, Macao and Taiwan regions has less effect on promoting enterprises＇ energy efficiency than that of other areas, which may be relative with the different ownership advantages between multinational corporations from different areas and the different motives of their investment in mainland China. In addition, it is found that research and innovation, human capital and the share of state-owned capital also have remarkable effects on the energy efficiency, while industry cluster has no obvious effect on it. Accordingly, this paper puts forward some related policy recommendations.