研究发现，在规模报酬递增下，劳动、资本和产业是同向流动的。
The study finds that labor, capital and industry flow in the same direction under increasing scale returns.
得出的结论主要有：历年来河北、辽宁、上海及贵州等地区均表现出了较高的技术效率，同时绝大部分地区船舶生产处于规模报酬递增的阶段；
The main results can be summarized as follows:there are a higher technical efficiency in Hebei, Liaoning, Shanghai and Guizhou district during the sample period.
得出的结论主要有：历年来河北、辽宁、上海及贵州等地区均表现出了较高的技术效率，同时绝大部分地区船舶生产处于规模报酬递增的阶段；
The main results can be summarized as follows:there are a higher technical efficiency in Hebei, Liaoning, Shanghai and Guizhou district during the sample period.
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