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医药制造业是技术密集型产业,技术进步有助于提高企业的核心竞争力,从而增加企业利润。企业专利数量是衡量其技术发展程度的定量指标。本文基于我国医药制造业上市公司2011-2015年的面板数据,用Eviews9.0对数据进行具体分析,实证结果认为:一个企业的专利数量平均每增加一个,营业利润平均增加0.01亿元;不同的医药公司存在个体效应。
The pharmaceutical manufacturing industry is a technology-intensive industry. Technological progress helps to improve the core competitiveness of enterprises and increase the profits of enterprises. The number of corporate patents is a quantitative indicator of the degree of technological development. Based on the panel data of Chinese pharmaceutical manufacturing listed companies from 2011 to 2015, this paper analyzes the data with Eviews9.0. The empirical results show that: for each enterprise, the average increase of the number of patents, operating profit increased by 0.01 billion on average; different Pharmaceutical companies have individual effects.