from Part III - Other Areas of Policy
Published online by Cambridge University Press: 21 October 2026
Private spending on R&D has large external benefits to other firms in the same industry – with private rates of return around 14 per cent and social rates of return around 40 per cent. We therefore evaluate the UK’s existing 20 per cent subsidy to the cost of R&D in large corporations. This is estimated to increase the amount of such R&D by 25 per cent. If the social rate of return on the extra expenditure is 40 per cent, the ratio of benefit to additional cost to the taxpayer is 14:1 – a good ratio.
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