· Seed Enterprise Investment Scheme SEISS): introduced in April 2012, SEIS is the most generous early-stage tax break in the world, providing 50% tax relief for the first £100,000 seed investment.
"You're not talking about anything huge," Susan Hering, a senior economist at UBS Warburg said, "but there is another stage of tax relief coming".
Congress, which is heading for midterm elections, shows no signs of dealing seriously enough with Washington's big new budget deficit and the next stage of tax cuts that will only add to the federal shortfall.
The bulk of the countries are in the intermediate stage of tax resource mobilization capacity.
Among the responses: more emphasis on computer science in schools, more readily available investment dollars for early stage companies, tax benefits for those struggling to build new ventures, and more attention paid by the media to what startups are doing.
But while fiscal drag in a fast-growing economy can produce a stage where tax receipts rise faster than gdp, the respected Institute for Fiscal Studies (ifs) flatly denies that that's the reason in Blair's case.
Crucially, HMRC does not rule against the scheme's legality at that stage giving tax advisers a window of opportunity in which to attract investment and make money before the scheme is eventually declared illegal and shut down.
His approach to staging could tax the resources of even the most experimental theaters.
"Mr Bush has all but guaranteed that Democrats will stage a tax-cap auction in exchange for their votes," moaned the Wall Street Journal.
This would not help new-economy companies like Amazon.com, which haven't reached the stage where taxes are the primary concern.
The government confirmed it will legislate the entire decade-long plan for staged company tax cuts, that would reduce all business tax rates to 25% by 2026, as soon as possible if it is re-elected.
