How to end the UK's gender pay gap

New rules aim to shame employers into ending wage disparity between the sexes but tougher penalties, such as a pay gap tax, are needed

More than three decades after the equal pay act, the gender pay gap still stands at about 19%, with the average British woman earning around 80p for every 1 earned by a man.

David Cameron believes he has a few ways to narrow the gulf and has vowed to eliminate it "in a generation". But for many people that is clearly too long to wait.