Americans during the Great Depression voiced the same concerns about excess bank reserves, budget deficits, competitive devaluations and commodities speculation as they do today.

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In countries like China and India, the 'returner' is becoming one of the most sought-after commodities in an increasingly competitive marketplace.

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And, for the moment, "Dutch Disease" is a real concern: a hollowing out of Brazil's industrial sector, as the boom in commodities (plus a hugely competitive China) gradually prices them out of world markets, and the Brazilian one.

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Since ETFs are hot commodities with few supply limitations, a competitive marketplace naturally drives down costs to the benefit of consumers.

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They have been able to use the proceeds from commodities exporting, combined with their massive and incredibly competitive (cheap) labor forces, to strengthen their domestic finances.

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Even with the technical leap, TV makers face another challenge: getting OLED-TVs to a price level that will be competitive with LCD and plasma TVs that are now priced like commodities.

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Such efforts notwithstanding, Josef Schmidhuber, an agronomist at the Organisation for Economic Co-operation and Development, argues that Brazil's competitive advantage lies in churning out huge quantities of low-cost bulk commodities.

ECONOMIST: Brazil