SHILPI TYAGI. Nonlinear Effects of R&D Intensity on Short-Run Profitability: Evidence from Firm-Level Panel Data. European Economic Letters (EEL), [S. l.], v. 16, n. 1, p. 1176–1181, 2026. DOI: 10.52783/eel.v16i1.4255. Disponível em: https://eelet.org.uk/index.php/journal/article/view/4255. Acesso em: 17 apr. 2026.