Buoyed by these two forces, China will account for over 23% of world GDP by 2030, measured at PPP, Mr Subramanian calculates.
But the latest price surveys have raised the estimated price level in China (and so reduced GDP per head measured at PPP).
Average living standards in China are still only a sixth and in India a fourteenth of those in America at PPP exchange rates, but the gap is already much smaller than it was and is closing fast.
Even if his PML-N does not have an outright majority, its projected margin of victory suggests it will be in a much stronger position than the PPP was at the head of the outgoing coalition.
Most economists reckon that the best way to compare living standards is to take GDP per person measured at purchasing-power parity (PPP), which adjusts for differences in the cost of living in each country.
If GDP is instead measured at purchasing-power parity (PPP) to take account of these lower prices, Asia's share of the world economy has risen more steadily, from 18% in 1980 to 27% in 1995 and 34% in 2009.
The statement was interpreted as a suggestion that the smaller groups have deserted the PPP-led civilian government at the behest of the security establishment.
Food at all six of the schools is procured by the PPP contractor, who in turn sourced the frozen mince from catering firm 3663.
Fixing Karachi will require Sharif to garner the support of MQM, PPP, and ANP -- none of whom at this point look poised to join his government.
Duane Grubert, analyst at Fulcrum Global Partners, notes that Pogo Producing (nyse: PPP - news - people ), a 43% stakeholder on a ChevronTexaco gas project in Thailand, has indicated its willingness to sell.
Mr Sharif should at least not need to seek the support of his main rivals, the PPP and Imran Khan's Movement for Justice (PTI), analysts say.
But our correspondent says the PPP may find Mr Sharif to be an uncomfortably powerful figure to have in opposition at a time when the country lacks a sense of political direction.
One of the main leaders not threatened by the Taliban, he too is on an aggressive campaign trail in Punjab, and in campaign speeches he has hit out at Mr Sharif for all the failings for which the two-time leader has been blaming the PPP.
Others have been casting doubts on the Muttahida Quami Movement (MQM) - the largest and most organised political party of the city which is a partner in power both at the provincial and central levels but whose relations with the ruling Pakistan People's Party (PPP) have soured over the past couple of months.
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