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stat.ME2026
Modeling within-department homogeneity in research quality rankings: an application to the Italian ISPD
Giorgio E. Montanari, Marco Doretti
In this paper, we consider the academic department ranking system of Italy, which is based on a performance index named Indice Standardizzato di Performance Dipartimentale (ISPD).…
stat.ME2025
Handling outcome-dependent missingness with binary responses: A Heckman-like model
Marco Doretti, Elena Stanghellini, Alessandro Taraborrelli
In regression models with missing outcomes, selection bias can arise when the missingness mechanism depends on the outcome itself. This proposal focuses on an extension of the Heck…
stat.ME2024
Interval identification of natural effects in the presence of outcome-related unmeasured confounding
Marco Doretti, Elena Stanghellini
With reference to a binary outcome and a binary mediator, we derive identification bounds for natural effects under a reduced set of assumptions. Specifically, no assumptions about…