Basurto Hernández, Saúl, and Gabriela Sánchez Trujillo. 2022. “Technical Efficiency in Small and Medium-Sized Firms in Mexico: A Stochastic Frontier Analysis”. Estudios Económicos De El Colegio De México 37 (1):103-47. https://doi.org/10.24201/ee.v37i1.427.