中国城市出口产品演化

周沂,贺灿飞

Evolution of urban export product in China

ZHOU Yi,HE Canfei

图6 中国城市无比较优势产品技术关联密度与城市新产品进入概率

Fig. 6 Relationship between the average density of the industries without a comparative advantage in a city and the probability of this city in developing a comparative advantage of new industry