The annual cap on the total amount of tax relief will, says everyone from charity chief executives to the Tories' wealthy Treasurer, cut the donations charities receive.

BBC: Charity tax: Wanted - a solution

Meanwhile, total appropriations (less one-time spikes for disaster relief) for the SBA have fallen by roughly 38%.

FORBES: Whither Bush's Small-Biz Budget?

Tax relief will add another 1%, making a total contribution rate of 8%.

ECONOMIST: Pension prospects

The most important stimulus not included in this approach is tax relief, which comprises over one-third of total spending plus tax cuts to date (CEA 2010).

WHITEHOUSE: Recovery Act Third Quarterly Report - Supplement | The White House