This paper shows how Danish administrative register data can be combined with survey data at the person level and be used to validate information collected in the survey. Register data are collected by automatic third party reporting and the potential errors associated with the two data sources...

We estimate the effects of one of the largest anti-vote-buying campaigns ever studied — with half a million voters exposed across 1427 villages—in Uganda’s 2016 elections. Working with civil society organizations, we designed the study to estimate how voters and candidates responded to...

Voters are often uncertain about and biased against non-dominant political parties. By reducing the information gap with dominant parties, political advertising may thus disproportionately benefit non-dominant parties electorally. We test this argument in Mexico, where three main parties...

We estimate the effect of local media outlets on political accountability in Mexico, focusing on malfeasance by municipal mayors. We study federal grants earmarked for infrastructure projects targeting the poor, and leverage two sources of plausibly exogenous variation. First, we exploit...

Effective policy-making requires that voters avoid electing malfeasant politicians. However, as our simple learning model emphasizing voters' prior beliefs and updating highlights, informing voters of incumbent malfeasance may not entail sanctioning. Specifically, electoral punishment of...