Castillo, Rafael, and Gustavo Crespi. “The Impact of Intangible Capital on Productivity and Wages: Firm Level Evidence from Peru”. Estudios de Economía 51, no. 1 (August 1, 2024): pp. 45–84. Accessed February 19, 2025. https://derechoyhumanidades.uchile.cl/index.php/EDE/article/view/75150.