Working papers Heterogenous latent factor models using horizontal kinship M. Colagrossi, C. Deiana, A. Geraci, L. Giua, G. Mazzarella Joint Research Centre WP n. 138568, 2024 Work in progress The effect of grading leniency on future academic outcomes: a machine learning approach. M. Colagrossi, S. Granato, G. Mazzarella, E.C. Meroni