"While vote-buying is common, little is known about how politicians determine who to target. We argue that vote-buying can be sustained by an internalized norm of reciprocity. Receiving money engenders feelings of obligation. Combining survey data on vote-buying with an experiment-based measure...

We evaluate the effects of a program in Brazil that selects and trains new politicians, addressing three main challenges: selection bias from program screening, self-selection into candidacy, and the need to quantify the contributions of both selection and training in a holistic evaluation. Our...