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Ítem Contract choice and patient outcomes in Colombia s health(Universidad Icesi, 2015-01-01) Serna, Natalia; Carranza Romero, Juan Esteban; Asesor Tesis; Asesor TesisIn this paper we develop an empirical analysis in the health market that relates contracts to patient outcomes through the effort of the health service provider. Using panel data of a sample of enrollees and their claims in Colombia’s statutory health system, we show that users in capitation contracts are readmitted to the ER and to emergency medical consultations at lower rates than users in fee-for-service contracts and this result holds even after conditioning on specific patient and insurer profiles. We also find significant differences in the users’ annual cost but there are no differences in the users’ average length-of-stay.Ítem Capital requirements of health insurers under different risk-adjusted capitation payments(Centro de Estudios en Protección Social y Economia de la Salud - PROESA, 2017-02-01) Guerrero Carvajal, RamiroDefining optimal capital requirements for health insurers is a matter of interest for policy-makers. They determine the insolvency probability of health insurers and the minimum number of enrolees in order to keep insolvency under control. In this paper we develop a methodology for estimating the expected loss per health insurer after considering their specific risk profile and the capitation formula with which they are paid. We assume the expected loss follows a normal distribution within risk pools consisting of a unique combination of long-term disease, age, gender, and location, and then define the minimum capital requirement as the 1st quantile of the loss distribution. An application is made for insurers in the statutory health care system of Colombia.