The Anglo-American double-member districts employing plurality-at-large are frequently criticized for giving a large majority premium to a winning party, since the large premium may decrease proportionality of the elected assembly relative to single-member districts. We demonstrate that the...

The Anglo-American double-member districts employing plurality-at-large are frequently criticized for giving a large majority premium to a winning party, since the large premium may decrease proportionality of the elected assembly relative to single-member districts. We demonstrate that the...

The Anglo-American double-member districts employing plurality-at-large are frequently criticized for giving a large majority premium to a winning party. In this paper, we demonstrate that the premium stems from a limited degree of voters' discrimination associated with only two positive votes...