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使用迭代似无关回归(ISUR)方法估计了以生产工人、非生产工人和资本为投入要素的中国汽车工业Translog生产函数及中国汽车工业规模报酬的阶数,利用获得的估计计算了投入要素之间的替代弹性并通过替代弹性计算了要素需求的价格弹性。在此基础上,对中国汽车工业规模经济的状况、投入要素之间的替代或互补关系和要素价格变化对要素需求的影响进行了分析.结果显示:在所研究的期间内,中国汽车工业处于规模报酬不变阶段;生产工人和资本之间以及非生产工人和资本之间是替代关系,而生产工人和非生产工人之间是互补关系;对中国汽车工业而言,三个要素需求缺乏弹性。
Using the method of iterative unrelated regression (ISUR) to estimate the Translog production function of China’s automobile industry and the scale of China’s automobile industry scale with input factors of production workers, non-production workers and capital, the estimation obtained is used to calculate the input factors Of the elasticity of substitution and calculate the price elasticity of the demand of the elements through the elasticity of substitution. On this basis, the author analyzes the situation of the scale economy of China’s automobile industry, the substitution or complementarity between input factors and the impact of changes in factor prices on factor demand.The results show that during the period under study, China’s automobile industry is at Scale returns constant; production workers and capital and between non-production workers and capital is a substitute for the relationship between the production and non-production workers are complementary relations between; for China’s auto industry, the three elements of the lack of flexibility in demand .