2–5 Jul 2024
Osijek
Europe/Zagreb timezone

The bounds of votes of divisor electoral methods

3 Jul 2024, 09:20
30m
D1 (Faculty of Economics and Business, J. J. Strossmayer University of Osijek)

D1

Faculty of Economics and Business, J. J. Strossmayer University of Osijek

Poster OPT: Optimization and Control Poster session

Speaker

Marija Miloloža Pandur (School of Applied Mathematics and Informatics)

Description

In proportional electoral systems, party vote counts must be converted to seat allocations within a parliament of fixed size. Divisor methods are the most common approach to this problem, but different divisor methods often give different seat allocations. To highlight these differences, the effects of various divisor methods on a party’s seat allocation are expressed as intervals of the party’s vote count within which the seat allocation is unchanged, assuming other parties’ votes are fixed. Knowing these intervals of vote counts could help in the analysis of elections, planning of an electoral strategy and understanding of different divisor methods. Numerical examples are included.

Primary authors

Prof. Tomislav Marošević (School of Applied Mathematics and Informatics) Mr Josip Miletić (Faculty of Electrical Engineering, Computer Science and Information Technology) Marija Miloloža Pandur (School of Applied Mathematics and Informatics)

Presentation materials

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