Innovation Financing under Constraints: A Principal Component and Cluster Analysis of Global Economies

AbstractFinancing innovation remains a major challenge in developing and emerging economies, where bank-dominated systems and institutional frictions intensify credit constraints. This study tests two hypotheses: (H1) credit rationing disproportionately restricts innovative projects, and (H2) institutional rigidity limits the translation of innovation efforts into performance. Using 87 country-year observations from the 2011–2022 World Bank Enterprise Surveys (35 variables), we conduct a Principal Component Analysis followed by K-means clustering. The first two components explain 58% of total variance, contrasting (i) financial constraint versus banking penetration and (ii) innovation intensity versus institutional rigidity. Three country profiles emerge: highly constrained economies with low innovation, intermediate economies hindered by fiscal and legal obstacles, and dynamic economies combining stronger financial systems with higher innovation. Crowdfunding appears as a differentiated corrective mechanism supporting financial inclusion in constrained economies, bypassing institutional rigidities in intermediate contexts, and acting as a cofinancing and market validation tool in dynamic ones. The results highlight the need for context-specific innovation-financing policies and confirm the complementary role of crowdfunding in alleviating structural imperfections in credit markets. Keywords : Innovation financing, Credit market imperfections, Crowdfunding, Financialinclusion