§ Earl Russellasked Her Majesty's Government:
What change in the yield of
- (1) income tax,
- (2) national insurance contributions; would result from
- (a) a 1 per cent. rise in average earnings,
- (b) a 1 per cent. fall in average earnings.
The Earl of CaithnessLatest estimates are as follows:
Change in a full year at 1993–94 income levels from 1 per cent. rise in earnings £ million I per cent. fall in earnings £ million Income tax 750 -740 Employee's Class 1 national insurance contributions 160 -160 Employer's national insurance contributions 240 -240