China's huge size means that to maintain stellar growth rates, the economy needs to move up the value-added chain fast and grab more export market share.

WSJ: Diana Choyleva: China Is Too Large for Its Own Good

Countries like India, Bangladesh and Indonesia, are taking a growing share of the export market for textiles, footwear and many hard goods, but China is still the leader in each of those categories.

FORBES: China's Untapped Potential Far Outweighs Its Competitors

As the Office for Budget Responsibility (OBR) pointed out in the economic report published with the Budget, Britain's market share in the export of global services was broadly steady after 2007, but since the start of 2012 it has fallen sharply.

BBC: Britain, the world and the end of the free lunch?

Rather, a balanced expansion should require America to narrow its trade deficit: manufacturers will have to export a lot more, seize domestic market share from imports, or both.

ECONOMIST: Manufacturing's future

Given that Russia has already teamed up with India to co-develop and co-produce a version of Moscow's fifth-generation fighter, and that China is co-developing with Pakistan a very low-cost fourth-generation fighter, the U.S. may decide to try and protect market share and lift an export ban on F-22s.

FORBES: Magazine Article

Given the expansion of Britain's export markets, this is a serious loss of market share.

ECONOMIST: Letters

"Now they have a very large market share in China and have begun to export, " says the Brookings Institution's Lardy.

FORBES: The Challenge From China

Before 1999, when the State Department took over the export regulation of satellites, America dominated commercial satellite-making with an average market share of 83%.

ECONOMIST: Space technology

Between 1998 and 2004 the company doubled its market share to over 20%, becoming perhaps the greatest beneficiary of export policies.

ECONOMIST: Space technology