Democratizing the Party: The Effects of Primary Election Reforms in Ghana Nahomi Ichino and Noah L. Nathan University of Michigan∗ November 28, 2016 Political parties in new democracies increasingly use primaries to select legislative candidates. But we know little about how internal party procedures shape the field of politicians who seek elected office in patronage-oriented political systems. We propose that democratizing candidate selection by expanding the primary electorate has two consequences: the electorate will have more diverse preferences and vote buying will become a less effective strategy. These changes, in turn, affect the types of politicians who seek and win legislative nominations. We construct an original dataset to analyze the impacts of recent reforms to primary rules by one of the major parties in Ghana. We show that expanding the primary electorate opened paths to office for politicians from groups that were previously excluded, including women, members of local non-plurality ethnic groups, and members of ethnic groups outside a party's core coalition. ∗Email:
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[email protected]. We thank Rikhil Bhavnani, Rob Blair, Mai Hassan, Maayan Mor, Rachel Riedl, Pedro Vicente, and participants at the 2016 American Political Science Association Annual Meet- ing, the 2016 Midwest Political Science Association Annual Meeting, the 2016 University of Washington Conference on Voting, Elections, and Electoral Systems, the Nova Africa seminar at Nova School of Business and Economics, the 2016 U-M Africa Social Research Initiative Conference at the University of Ghana-Legon, and the Comparative Politics Colloquium at the University of Wisconsin-Madison for their comments and suggestions.