The aim of the text, in general, is pointing out the importance
of electoral system settings for the constitution of the
party/political system. Thesis reveals determinants (including
different number of deputies, different number of electoral
districts, or variety of electoral formulas), which
significantly affect outputs of electoral system, and presents
the analytical tools that are used to identify positive and
negative effects of electoral systems. The analytical part of
thesis uses the theoretical and methodological basis for
proposal of possible changes in the electoral systems design in
the Czech Republic (de constitutione ferenda, de lege ferenda).