论文部分内容阅读
文章利用Heckman两阶段模型,使用部分国家级农业产业化龙头企业数据,分析研发投入对农业企业出口的影响。结果显示,研发投入对农业企业出口的影响显著。研发投入增加,使得农业企业出口的概率增加;但对已出口的农业企业来说,研发投入并没有使农业企业出口额增加;采用研发投入和农业企业出口的相关替代变量对此结果进行了验证。文章也探讨了其他因素对农业企业出口的影响,便利的地理位置、企业规模、劳动力工资等对农业企业出口均有促进作用。
Based on the Heckman two-stage model and the data of some national agricultural industrialization leading enterprises, the article analyzes the impact of R & D investment on the export of agricultural enterprises. The results show that the impact of R & D investment on the export of agricultural enterprises is significant. R & D investment increased, making the probability of export increase of agricultural enterprises; but for the export of agricultural enterprises, R & D investment did not increase the export of agricultural enterprises; R & D investment and export substitution of agricultural enterprises to verify the results of the relevant variables . The article also explores the impact of other factors on the export of agricultural enterprises. Convenient geographical locations, scale of enterprises and wage of labor contribute to the export of agricultural enterprises.