To ask the Chancellor of the Exchequer if he will estimate the effect on Exchequer revenue of raising the dividend ordinary tax rate to 20 per cent. and the dividend upper tax rate to 40 per cent. (275817)

Raising the dividend ordinary and upper rates to 20 per cent. and 40 per cent. respectively is likely to involve significant behavioural effects. The estimated yield incorporating these behaviour costs can be provided only at disproportionate cost.