There may well have been structural improvements in emerging economies, but just now markets are having none of it.

ECONOMIST: Emerging markets

While oil and metals prices can carry an economy for a little while, sustained growth invariably comes down to structural improvements in technology and productivity, asserts van Ark.

FORBES: Magazine Article

But as Mr Coulton points out, it is not clear how much of this increase was structural (the product of enduring improvements in tax collection) and how much cyclical (the result of a temporary upswing in the economy).

ECONOMIST: Fretful markets fear the worst

The European economy remains troubled even as structural reforms are making countries become more competitive (note the recent improvements in the current account balances of the countries of the periphery).

FORBES: Despite Investors' Denial, The U.S. Economy Is Getting Better

Around half the 67bn Euro European Union structural fund allocation to the country is being spent on road development, sanitation and environmental improvements.

BBC: Ukraine face finals struggle