This study presents a novel empirical approach to identify financing constraints for innovation based on the idea of an … alternatives of use. If they choose additional innovation projects they must have had some unexploited investment opportunities … attribute constraints for innovation not only to lacking financing, but also to firms' innovative capability. Econometric …

This study presents a novel empirical approach to identify financing constraints for innovation based on the concept of … alternatives of use. If they selected additional innovation projects, they must have had some unexploited investment opportunities … that were not profitable using more costly external finance. We attribute constraints for innovation not only to lacking …