What type of study is this?

This is a Quantitative Study study.

September 16, 2025

The Electoral System and Election Results: The Case of the Elections to the Sejm of the Republic of Poland

Key Points

Modifying the electoral system slightly changes seat distributions among parties in the Sejm.
Scenarios analyzed include demographic seat adjustments and different proportionality methods like D'Hondt and Sainte-Laguë.
The balance of power in the Sejm remains largely unaffected by most electoral modifications.
Changes to electoral districts and overseas vote redistribution have implications for party and voter behavior.

Abstract

The article examines the impact of nine counterfactual modifications to the Polish elector-al system on the results of the Sejm elections held on October 15, 2023. Scenarios analyzed include various methods of demographic seat adjustments, redistribution of overseas votes, changes to proportionality methods (D’Hondt vs. Sainte-Laguë), and changing the number of electoral districts. The issue of how deeper changes to the system may affect the strategic behavior of parties and voters is also analyzed. Results indicate that while each modification slightly alters seat distribution among parties, most changes do not significantly affect the overall balance of power in the Sejm.

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Cite This Study

Jacek Haman (Sun,) studied this question.

synapsesocial.com/papers/68d453a431b076d99fa59a50 https://doi.org/https://doi.org/10.7206/cid.3071-7973.2

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