摘要：The impact of R&D investment on economic growth has become a hot study in the economicgeography and economics, and most of researchers observed that R&D investment has a significant impact onregional growth, and the positive correlation confirmed, however, the evaluation of R&D investment and spatialdifferences remain to be further studied. This paper is based on the model of Cobb-Douglas production function.With the help of the panel data of 110 cities between 1990-2013, the researchers build the relationship model ofR&D investment and regional growth. The results show the long-term and stable relationship of R&D investmentand regional economic growth. R&D talent plays more role in the process of regional economic growth, and theimpact of R&D investment on regional economic growth show that there exists large differences in sampleregions.
关键词：Economic Growth; Regional Innovation; Research and Development; Talent and Money; The;Yangtze River Economic Zone
