Alcantara, Rafael Campello de, and Sergio Kannebley Junior. “R&D Elasticity in Brazilian Industry and Spillovers: A Common Unobserved Factors Approach”. Economia Aplicada 28, no. 1 (March 1, 2024): 89–127. Accessed February 9, 2026. https://revistas.usp.br/ecoa/article/view/190655.