In this study, we implement a series of voting games in the laboratory to test whether a strategic voting behavior in a proportional system would arise and induce a two-party system. In each voting game, a finite number of subjects with single-peaked preferences, uniformly distributed on a...

Motivated by the need of understanding voting behavior under different electoral rules, Laslier et al. (2015) have conducted an online experiment in several European countries during the three weeks before the 2014 elections for the European Parliament, the EuroVotePlus experiment. This paper...