How has the American public responded to elite partisan polarization? Using panel data from both the Cooperative Campaign Analysis Project and the American National Election Studies, we explore the partisan consequences of the discrepancy between the one-dimensional structure of elite policy preferences and the two-dimensional structure of citizens' policy preferences. We find that those citizens with preferences that are consistently liberal or consistently conservative across both economic and social issues have responded to elite polarization with mass polarization. However, we also find that the sizable number of citizens who hold preferences on economic and social issues that do not perfectly match the menu of options provided by elite Republicans and Democrats have not responded to elite polarization; indeed, these citizens are more likely to shift their partisan allegiance in the short-term and less likely to strengthen their party identification in the long term.
We fielded an experiment in the 2012 Cooperative Congressional Election Study testing the theory that motivated reasoning governs reactions to news about misdeeds on the campaign trail. Treated subjects either encountered a fabricated news story involving phone calls with deceptive information about polling times or one involving disappearing yard signs (the offending party was varied at random). Control subjects received no treatment. We then inquired about how the treated subjects felt about dirty tricks in political campaigns and about all subjects' trust in government. We find that partisans process information about dirty campaign tricks in a motivated way, expressing exceptional concern when the perpetrators are political opponents. However, there is almost no evidence that partisans' evaluations of dirty political tricks in turn color other political attitudes, such as political trust.
Scholars of congressional elections have argued that an increase in constituent diversity increases the level of electoral competition. Following models of boundedly rational candidates, we argue that there is strong reason to believe that the opposite is true. As the complexity of the electoral landscape increases, challengers will have a more difficult time locating an optimal platform when facing an experienced incumbent. Using data from the 2000 National Annenberg Election Study, we construct a novel measure of district complexity for U.S. House districts and test whether the entry of quality challengers and the incumbent's share of the two-party vote are affected by the complexity of the electoral landscape. We find strong support for the hypothesis that complexity benefits incumbents for both indicators of electoral competition, which stands in contrast to most of the existing literature on diversity and incumbent performance.
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