Science Research Management ›› 2014, Vol. 35 ›› Issue (10): 77-85.

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The impact of debt on firms’ innovation investment mode:An empirical research on R&D heterogeneity

Xiao Hailian1, Tang Qingquan2, Zhou Meihua2   

  1. 1. School of Economics & Management, South China Normal University, Guangzhou 510006, Guangdong, China;
    2. Business School, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China
  • Received:2013-06-21 Revised:2014-03-31 Online:2014-10-25 Published:2014-10-23

Abstract: Financing constraint of innovation is an important topic in investment theory research. Currently, the hottest debate is around the relationship between R&D investment and internal funds, while the external funds constraint has been neglected. Base on heterogeneity, we divide the innovation investments into exploratory innovation and routine innovation using pooled cross-section data and q model, we find that exploratory innovation investment is curtailed by debt financing while routine innovation investment is not. The different sources of debts have different impact on innovation investments: innovation investments are curtailed by bank loan; routine innovation investments are positively related to commercial credits while exploratory innovation investment is not. This paper has important policy implications with respect to firms' R&D strategies and government's R&D subsidies.

Key words: debt financing, sources of debt, innovation investment mode

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