Współczynnik SF jako miara strategicznego podziału głosów w mieszanych systemach wyborczych

Most of the mixed member electoral systems enable electors to give their vote to one party list, while choosing the candidate of a different party in their own electorate. This kind of electoral behaviour is described as a split ticket voting. Using Second-First ratio, the author of this article confirms the thesis according to which the strategic expression of political preferences by the electorate represents one of the causes of split ticket voting in mixed member electoral systems.