Regarding the "alternative vote" referendum in the UK: the voting system (also called "ranked-choice voting" or "instant-runoff voting") is an improvement to fi

Regarding the "alternative vote" referendum in the UK: the voting system (also called "ranked-choice voting" or "instant-runoff voting") is an improvement to first past the post, but it's worth noting that it is not proportional representation and would do little to dissuade gerrymandering.