'Many experts believe top executives are overpaid.
The earnings of Britain's top executives have doubled in the past five years to a new record average of more than £3m, a study shows.
The total pay of chief executives of the top 100 firms has rocketed because of ever-increasing incentive payments, the Income Data Services report says.
Over the same period, the average earnings of full-time workers grew by £5,000 to just over £30,000, it says.'
