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目的研究我国制药业集中度和利润之间的关系,在此基础上探讨制药业目前存在的问题。方法利用我国制药业1991~2006年的绝对集中度和利润率数据进行计量分析。结果我国制药业集中度变化率和滞后一期的利润率变化率呈正相关关系,滞后一期和滞后二期的集中度变化率和当期集中度变化率呈负相关关系。结论我国制药业利润率的提高有利于集中度的提升,但其影响存在滞后性;大型制药企业多处于规模不经济的状态,市场占有率下降,未能充分发挥自己在资产、规模等方面的优势。
Objective To study the relationship between the concentration and profit of pharmaceutical industry in our country and to explore the existing problems in the pharmaceutical industry on this basis. Methods Using the absolute concentration and profitability data of China’s pharmaceutical industry from 1991 to 2006, the econometric methods were used. Results There was a positive correlation between the concentration change rate in the pharmaceutical industry and the profitability change rate in the lagged phase I, while the concentration change rate in the lag phase I and lag phase II was negatively correlated with the current concentration change rate. Conclusion The improvement of the profit margin of China’s pharmaceutical industry is conducive to the concentration of upgrading, but its impact lags behind; large-scale pharmaceutical enterprises are mostly in the state of diseconomies of scale, the market share decline, failed to give full play to their own assets, size and so on Advantage.