The high oil price is already fuelling inflation and singeing confidence in all three countries.
And the stellar productivity figures increase the pace at which the economy can grow without fuelling inflation.
Mr Wen also suggested he would rein in an investment boom in the provinces that has been fuelling inflation.
This is crucial because if people think inflation will persist, they ask for higher wage settlements to compensate, further fuelling inflation.
Thanks to a closed capital account (even if cracks are appearing) and government control over domestic banks, China has been able to buy vast quantities of dollars without fuelling inflation.
Recognising that this would allow the economy to grow faster without fuelling inflation, Mr Greenspan allowed the boom to continue and unemployment to fall, dragging many disadvantaged workers back into the labour force.
Germany cannot stomach the thought of the ECB fuelling inflation to dissolve overbearing European wide state debt and is refusing to let the EU go on a course of resetting out of control debts.
At present, the countries most in need of such investment lack the domestic capacity be it trained personnel, institutional governance or even public demand to absorb additional funding at such a rate without simply fuelling inflation, graft and waste.
But low interest rates, in turn, risk further fuelling asset-price inflation.
Having posed as a champion of the poor with generous, but inflation-fuelling handouts of state largesse, Mr Ahmadinejad may now be expected to escalate attacks on purported corruption.
Arrests of currency traders, for example, have not stopped the Syrian pound from losing half its value in recent months, fuelling a frightening surge in inflation, amid widening shortages.
That may be appropriate where demand is weak but in rapidly growing economies, such as Argentina, India, Vietnam and Hong Kong, negative real rates are fuelling faster credit growth and inflation.
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