Ponce Jarrín, Juan Elias, and Ruthy Vanessa Intriago Armijos. “Quantifying Learning Losses Due to COVID-19 in Ecuador: A Fixed-Effects Analysis of Standardized Test Scores for Elementary and Middle School”. Gestión Y Análisis De Políticas Públicas, no. 36, Nov. 2024, pp. 81-95, doi:10.24965/gapp.11346.