16:50 - 18:30
P10-S249
Room: 0A.02
Chair/s:
Jonathan B Slapin
Discussant/s:
Thomas Zittel
Governing Challenges in Fragmented Party Systems: Decision-Making in German Federal States
P10-S249-2
Presented by: Christian Bohlen
Christian Bohlen
University of Hamburg
Research shows that parties increasingly prioritize their initial manifestos as elections approach, leading to intensified ideological distinctions. This paper analyzes over 10,000 legislative acts in German federal states to examine whether government fragmentation and ideological diversity hinder decision-making. Specifically, it focuses on the final year of legislative terms, a critical period where electoral pressures peak. The study hypothesizes that fragmented coalitions or those with ideologically distant partners face greater challenges in reaching decisions compared to single-party governments or ideologically cohesive coalitions. The findings confirm this hypothesis: fragmented and ideologically diverse governments enact fewer laws, particularly in salient policy areas where ideological disagreements are most pronounced. By contrast, single-party governments and coalitions with aligned policy platforms demonstrate more efficient legislative processes. These results underscore the impact of party system fragmentation on governance effectiveness, highlighting the complexities of decision-making under electoral constraints in diverse coalition settings
Keywords: Party system fragmentation; Law-Making

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