There are n citizens in a town who must choose between two candidates A and B in an election. Of the n citizens of this town, 1:: of them prefer candidate A and m = n k of them prefer candidate B. Each citizen decides whether they wish to pay a cost 6 and vote for the candidate they support or to abstain. If the citizen votes then her payoffs are 2 c if her candidate wins, 1 c if her candidate ties for rst place and c if her candidate loses where 0