The COVID-19 pandemic is an unparalleled global crisis. Yet, despite the grave adversity faced by citizens, incumbents around the world experienced a boost in popularity during the onset of the outbreak. In this study, we examine how the response to the COVID-19 outbreak in one country has...

Does the effectiveness of a “Get Out The Vote” (GOTV) contact depend upon the method by which a voter casts a ballot? This study investigates whether those who must vote by mail are more or less responsive to an in-person mobilization message than voters who live in traditional precincts...

Voter mobilization experiments are often conducted using individual-level randomization, which can be difficult to implement. A simpler approach is to randomly assign voting precincts, rather than individuals nested within them, to treatment and control groups. Not only is it easier and...

Do presidential campaign advertisements mobilize, inform, or persuade citizens? To answer this question we exploit a natural experiment, the accidental treatment of some individuals living in nonbattleground states during the 2000 presidential election to either high levels or one-sided barrages...

In addition to mobilizing supporters to vote, partisan campaigns use get-out-the-vote tactics as a means to boost support for their candidate. Although observational studies have attempted to estimate the effects of grassroots campaigning on political attitudes, they are unable to establish...

In the social sciences, randomized experimentation is the optimal research design for establishing causation. However, for a number of practical reasons, researchers are sometimes unable to conduct experiments and must rely on observational data. In an effort to develop estimators that can...

Countries cooperate in negotiating treaties. However, treaty compliance is noncooperative; signatories comply with treaties only if compliance leaves them better off than noncompliance. US and EC agricultural policies of 1986 are modeled through a noncooperative game. Bilateral treaties,...