“…show, with direct data on vote buying from the Encuesta Longitudinal de la Universidad de los Andes (Fergusson, Molina, & Riaño, in press-a, in press-b), that the municipal-level proportion of preferential voting in the Congressional elections correlates with clientelistic vote buying, validating this measure. Moreover, as argued in (Fergusson, 2017), the prevalence of clientelism weakens the "consensually strong state", that is, one that is capable of providing public goods and project its power in the population and territory, while responding politically to the population and remaining accountable.…”