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从制造业的演化规律出发,研究了研发投入对产业利润的影响。在中国国家统计局数据基础上,通过定量模型分析制造业利润和研发投入关系,发现中国制造业的研发投入在随着利润增加的同时并未直接对利润产生影响。
Starting from the evolution of manufacturing industry, the impact of R & D investment on industrial profits is studied. Based on the data of China’s National Bureau of Statistics, quantitative analysis of the relationship between manufacturing profits and R & D inputs shows that R & D investment in China’s manufacturing industry does not directly affect profitability as profits increase.