This has all the characteristics of what is known in economics as the pork cycle: a cyclical pattern of surplus and shortage as a result of delayed responses to changes in the market.
The new BA model show a much better definition of spatial patterns of surplus mass associated with the magma reservoirs beneath French Polynesia as highlighted by Clouard et al. (2000).
It pledged to "work toward a more balanced pattern of global growth, recognizing the responsibilities of surplus and deficit countries".
But emerging markets such as China already have their fill of low-yielding Treasuries and want to acquire assets with better prospective returns, including rich-world companies.The pattern of developed-country deficits and emerging-market surpluses is likely to continue.
South Korea is running a deficit after a decade of surpluses.
But compounding the challenge is that the pattern of population growth is very uneven - with a surplus of places in some parts of the country.
Sowing was done directly in the mescosms by placing two seeds per position; surplus seedlings were removed to achieve the desired planting pattern of 60 plants per mesocosm.
A distinct pattern of amino acid substitutions could be identified for the non-synonymous codon exchanges, with a remarkable surplus of serine and reduction of glutamic acid and asparagine for the Antarctic species.
The pattern of the UK current account since the early 1980s has been a largish deficit in the trade balance somewhat offset by a surplus on the net investment position.
Mr Bernanke used the occasion to insist that surplus countries should let their exchange rates appreciate, saying that keeping currencies undervalued had contributed to a pattern of global spending that was unbalanced and unsustainable.
