China poured almost all its stimulus into infrastructure and construction.
Transformation of an external stimulus into a cellular response is known as signal transduction.
In China, the government's commitment to maintain fiscal stimulus into 2010 will be important for supporting growth.
Britain is one of only a handful of OECD countries not planning a continued stimulus into 2010 and many have far higher levels of debt.
Economists had been expecting the government to start injecting that stimulus into the economy in the first quarter and were puzzled by the decline.
The European Central Bank brought respite to volatile financial markets after indicating it is ready to inject fresh stimulus into the eurozone as soon as March.
When he signed the stimulus into law, Mr. Obama said that it would create — or save, which is harder to calculate — 3.5 million jobs over two years.
China's government will not want to risk worsening inflation by unleashing another huge stimulus into the economy, as it did in response to the 2008 crisis.
Democrats, so battered by the transformation of "stimulus" into a synonym for waste and fraud (of which there was little), have stopped using the word.
Many Democrats believe the two measures should be paid for by borrowing, thus increasing the government's net spending and injecting more short-term stimulus into the economy.
Mr. Obama's letter indirectly defended the Fed's move to try to stimulate more growth by injecting fresh monetary stimulus into the economy.
