融资约束与企业创新投资-现金流敏感性——基于企业R&D异质性视角
肖海莲, 唐清泉
Financial Constraints and Innovation Investment-Cash Flow Sensitivity: Based on R&D Heterogeneity
XIAO Hai-Lian, TANG Qing-Quan
南方经济 . 2012, (11): 40 -54 .