地理学视角的京津冀地区工业企业融资成本分析
李博,李启航,孙威

Analysis of financing costs of industrial enterprises in Beijing-Tianjin-Hebei region from geographic perspective
LI Bo,LI Qihang,SUN Wei
图1 2013年京津冀地区商业银行分支机构(a)和工业企业(b)的核密度估计图
Fig. 1 Kernel density estimation graph of banks (a) and industrial enterprises (b) of Beijing-Tian-Hebei in 2013