We identify an exogenous source of variation in exposure to campaign advertising in the 2000 presidential election, based on residence in battleground states. If exposure to campaign advertising makes a potential voter significantly more likely to vote, then we should see significantly greater...

Scholars disagree whether negative advertising demobilizes or stimulates the electorate. We use an experiment with over 10,200 eligible voters to evaluate the two leading hypotheses of negative political advertising. We extend the analysis to examine whether advertising differentially impacts...

Many of the questions that are central to political science involve understanding either the causes or consequences of policy change. Scholars have relied on both data-driven and model-driven approaches to characterize the content and direction of policy. This review briefly describes several...