publicaciones seleccionadas artículo Measuring profit efficiency of Colombian banks: a composite non-standard profit function approach 2021 Inefficiency and Bank Failure: A Joint Bayesian Estimation Method of Stochastic Frontier and Hazards Models 2021 documento de trabajo Inefficiency and Bank Failures: A Joint Bayesian Estimation of a Stochastic Frontier Model and a Hazards Model 2018-11 Measuring Profit Efficiency of Colombian Banks: A Composite Nonstandard Profit Function Approach 2018-08