| Authors | Title | Country(ies) | Years | Data Sources | Sample | Dependent Variable | Main independent variable | Econometric model |
| | Search Pathways to Innovation | Norway | 2002-2004 | Community Innovation Survey 4 | 4655 Firms | Innovation outputs | Lack of internal funds, Lack of external funds | Logit |
| | Firm Innovation in Emerging Markets: The Role of Finance, Governance, and Competition | Global | 2002-2004 | World Bank Enterprise Survey | 19,000 Firms | Innovation index | Use of External finance in investments | Ordered Logit |
| | What hampers innovation? Revealed barriers versus deterring barriers | United Kingdom | 2002-2004 | Community Innovation Survey 4 | 28,000 Firms | Barriers of Innovation | Innovation index | Multivariate Probit |
| | Innovation and credit constraints: evidence from Swedish exporting firms | Sweden | 1997-2007 | Statistics Sweden, PATSTAT | 8300 Firms | Product Innovation, Patent Applications | Cash Flow | Negative Binomial Regression |
| | Does Access to Finance Enhance SME Innovation and Productivity in Nigeria? Evidence from the World Bank Enterprise Survey | Nigeria | Not mentioned | World Bank Enterprise Survey | 2127 Firms | Innovation outputs | Internal finance, External finance, Access to bank finance, Financial constraints | Logit |
| | Access to finance and innovative activity of EU firms: A cluster analysis | Europe | 2015 | Survey of European Investment Bank | 9067 Firms | Product Innovation | Clusters of Financing Sources | Logit |
| | Access to Finance and Firm Innovation | Africa | 2007-2014 | World Bank Enterprise Survey | 5304 Firms | Innovation index (aggregate) | Results of Applying for Finance | 2SLS |