Bruce Katz, of the Brookings Institution in Washington, argues that there is much more inventiveness at municipal and state level in America than at federal level.
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Like Andrew said, when the playing field is level, America will always win.
Total factor productivity, which measures how efficiently labour and capital are combined, is only 42% of the level in America, or 82% that in South Korea.
On the one hand comes greatly increased space: the typical American dwelling now has two rooms per person, double Europe's level or America's half a century ago.
Quite apart from public displeasure at the entire political class, Japan is expected to be the hardest hit of rich economies this year: its GDP is forecast to contract by 6%, around twice the level of America or Britain.
While the economy in North America has stayed at a disappointing level, North America is projected to remain a strong source of revenue for Nike.
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Even a souped-up Toyota Camry costs as much in China as an entry-level Porsche in America.
If the global playing field is level, then America is going to win.
In China and most of the industrialised world, births and deaths are at or below replacement level (though America's population still rises because of immigration).
China's capital controls are porous, and investors all over Asia are betting on a currency revaluation by buying property in Shanghai or Beijing or putting their money into yuan deposits to take advantage of interest rates higher than the paltry level available in America.
This is about equal to the level of representation between America and Cuba.
There may be too little support of high-level technical innovation in America today, but there are some truly amazing young scientists coming out of our best schools, and these inventors prove it.
Having restored top-level military contacts with America just last year (last severed in 2008 after the Bush administration announced arms sales to Taiwan), China is likely to shun the Pentagon again at least for a few months.
Mr Sharon has promised America he will not escalate the level of violence in the conflict with the Palestinians while America confronts Iraq.
The relatively high level of job vacancies in America seems consistent with far lower unemployment.
At the moment the ratio is 11 roughly half America's level of 20.
The result will be that RBS's core capital ratio hits a whopping 12.4%, about double the level at JPMorgan Chase, America's soundest big bank.
But even today the level of violent crime in America is still about the same as in the mid-1980s, when 1m fewer people were in prison or jail.
Say what you like about the Occupy Wall Street demonstrations, but they have elevated the conversation about inequality in America to a level that no one else has done.
The fall in share prices has already reduced the level of household wealth in America from a peak of 4.2 times personal incomes two years ago to 3.4 times now.
The other factor is that America needs high-level skills if it's to keep its innovative edge.
Clinton-era taxes were at that level, and the record says America did well in the Clinton years.
To Britons, and to many Americans, the most frightening aspect of urban America is the high level of gun crime.
With new technologies rising faster than sea level on a hot planet, America is headed for the biggest energy boom in 60 years.
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Without a blanket policy of nondiscrimination, corporate or foundation giving to the Boy Scouts of America at the national level is a veritable landmine.
Starpharma began trading in America as an ADR level 1 sponsored by the Bank of New York (nyse: BK - news - people ) in January 2005.
Bank of America rose to that level.
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He said that telecommunications in Latin America has an incredible level of penetration and is the ecosystem of a new civilization there is a lot of room for growth, he said, especially in broadband and wireless technology.
He doesn't have to think about how 17 governments will react to the level of European fiscal integration that America, Britain and China are all now calling for - let alone the massive injections of capital into Europe's banks.
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