Castro-González, Segundo, and Julio C. Medina León. “Economic Crisis’s Influence over the Quantification of Puerto Rico’s Shadow Economy: Parsimonious Econometric Proposal”. Journal of Applied Business and Economics 19, no. 8 (November 1, 2017). Accessed November 25, 2024. https://mail.articlegateway.com/index.php/JABE/article/view/750.