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一国政府经常促进外国投资的流入以鼓励外国公司对国内公司的技术“溢出”。从委内瑞拉的一些工厂提供的数据来看，我们发现外资的参与与国内企业的生产率正相关，但是这种积极影响仅仅在小公司里才表现突出，我们接着又检测了从合资企业流到没有外国投资的工厂的技术溢出量。
A country’s government often promotes the inflow of foreign investment to encourage foreign companies to “spill over” the technology of domestic companies. From the data provided by some factories in Venezuela, we find foreign participation is directly related to the productivity of domestic enterprises, but this positive impact is only outstanding in small companies. We then examine the flow from the joint ventures to the absence of foreign countries Technical spillover of invested factories.