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econ.EM2025
EASI Drugs in the Streets of Colombia: Modeling Heterogeneous and Endogenous Drug Preferences
Santiago Montoya-Blandón, Andrés Ramírez-Hassan
The response of illicit drug consumers to policy changes like legalization is mediated by demand behavior. Since individual drug use is driven by many unobservable factors, account…
econ.EM2021
Semi-parametric estimation of the EASI model: Welfare implications of taxes identifying clusters due to unobserved preference heterogeneity
Andrés Ramírez-Hassan, Alejandro López-Vera
We provide a novel inferential framework to estimate the exact affine Stone index (EASI) model, and analyze welfare implications due to price changes caused by taxes. Our inferenti…
econ.EM2020
Inferring hidden potentials in analytical regions: uncovering crime suspect communities in Medellín
Alejandro Puerta, Andrés Ramírez-Hassan
This paper proposes a Bayesian approach to perform inference regarding the size of hidden populations at analytical region using reported statistics. To do so, we propose a specifi…