Under the AV system MPs could not be elected without the backing of at least 50 % of voters in a constituency. (news.bbc.co.uk)
But the decline of the international price of oil and recent energy - sector layoffs may have voters in this constituency sticking with their conservative options. (daveberta.ca)
That is the mentality of the average voter in that constituency that vote for Labour. (politicshome.com)