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This doctoral thesis investigates the causes and consequences of partisanship in developing democracies. Partisanship—defined as a deep-seated and enduring attachment to a political party—has a profound influence on people’s opinions and behavior. It shapes how individuals perceive politics, process information, choose whom to vote for in elections, and decide which political causes to support. The influence of partisanship on these aspects has led scholars to conclude that it is a cornerstone of democratization in many advanced democracies.
In developing democracies, party systems differ markedly from advanced democracies. Political competition in these settings is often marked by greater volatility, and parties typically have weak ties to voters—conditions generally seen as unfavorable to the development of partisan attachment. Surprisingly, however, recent research finds evidence of partisanship even in these contexts. Across developing democracies such as Brazil, Mexico, and India, a segment of voters identify as partisans of specific political parties. The causes and consequences of such partisan attachment though have remained under-explored.
This thesis aims to address this gap by examining partisan attachment in India. As a prototypical developing democracy, India provides a suitable setting for this inquiry. Despite long experience with electoral competition, the Indian party system is weakly institutionalized, characterized by frequent party splits, mergers, and shifting ties between parties and voters. The presence of partisanship among a segment of voters in such a setting raises fundamental questions about what causes such partisanship to develop and what its attitudinal and behavioral consequences may be. To address this central inquiry, this thesis uses a mixed method approach combining survey experiments, panel data, archival research, and fieldwork. The findings reveal three key insights. First, partisan attachment can arise from multiple coexisting motivations: some voters are drawn to parties through ideological or programmatic appeals, while others form attachments through non-programmatic benefits. Second, even in the face of weak party brands and high electoral volatility, partisan attachment can persist and meaningfully shape people’s opinions about government performance and accountability, as well as their voting behavior, leading them to vote loyally without strategic consideration. Third, historical legacies may help explain why party-voter relations in developing democracies generally remain weak, even though some voters develop partisan attachment: The emergence of elite-centric party strategy during colonial rule established path-dependent patterns that constrained broad-based voter mobilization
and contributed to generally weak party-voter relations.
Overall, this thesis demonstrates that far from being a peripheral phenomenon, meaningful partisanship can have a substantial impact even in developing democracies. The contemporary political moment is marked by deep partisan divides. In advanced democracies, partisan attachment has become a major driver of rising polarization and increasingly rigid political positions, contributing to a decline in the overall quality of democracy. In developing settings where democratic institutions are already fragile, the findings of this thesis highlight the need for sustained scholarly attention to partisanship and its far-reaching implications for democratic health.