| Authors | Title | Country(ies) | Years | Data Sources | Sample | Dependent Variable | Independent variable | Econometric model |
| | Financial Constraints On Innovation: A European Cross Country Study | 15 European Countries | 1994-1996 | Community Innovation Survey 2 | Not Mentioned | Stage of Innovation | Obstacles to Innovation | Logit |
| | Complementaries between obstacles to innovation: Evidence from France | France | 1994-1996 | Community Innovation Survey 2 | 1772 Firms | Obstacles to Innovation | Internal R & D, External R & D | Multivariate Probit |
| | Financial constraints and other obstacles: are they a threat to innovation activity? | Netherlands | 2000-2002 | Community Innovation Survey 3.5 | 3456 Firms | Stage of Innovation | Obstacles to Innovation | Probit with Sample Selection |
| | The global crisis and firms’ investments in innovation | Latin America | 2008-2009 | Survey Under OECD Development Centre | 1223 Firms | Innovation Stop | Access to External Finance | Probit |
| | Financial constraints and the failure of innovation projects | Spain | 2004-2010 | PITEC | 4882 Firms | Abandon Innovation Project | Financial Barriers R & D Intensity | Recursive Bivariate Probit |