稻米比价对企业全要素生产率的影响研究——基于稻米加工业的微观企业数据

Impact of Price Ratio on Enterprise Total Factor Productivity:A Study Based on Micro-Enterprise Data of Rice Processing Industry

在测度稻米购销比价水平的基础上,考察其对稻米加工业全要素生产率的影响,并分析这种影响在分所有制企业间的差异化表现。结果表明:稻米比价与稻米加工企业全要素生产率呈倒“U”型关系,低强度的价格比会“倒逼”企业全要素生产率的提升,而超过一定强度的价格比会对企业全要素生产率起阻碍作用;国有资本比例对稻米加工业全要素生产率有负向作用,但未表现出对价格比与企业全要素生产率关系的调节效应;分阶段比较发现,粮食收购市场的放开增强了低国有资本比例的企业市场竞争性及全要素生产率对价格比的敏感性,但该政策对高国有资本比例的企业影响并不显著。

Based on the measurement of price ratio of paddy and rice,the paper examined its impact on the total factor productivity of rice processing industry and studies how the impact varies among companies of different ownership.The empirical results show that the price ratio and the total grain productivity of rice processing enterprises are of inverted U-type relationship.The total factor productivity of enterprises will be forced to enhance by lower strength of the rice price,which may hinder total factor productivity when it exceeds a certain intensity.The proportion of state-owned capital has a negative effect on the total factor productivity of rice processing industry,but it does not show the adjustment effect on the relationship between price ratio and the total factor productivity.The phased comparison shows that the liberalization of the grain purchasing market in 2004 increased the market competitiveness of low-state capital enterprises and that the total factor productivity of these enterprises increased the sensitivity of rice price while the impact of this policy was not significant on high-capital-capital companies.