At 2.3% growth, the $14.4 trillion U.S. economy (as of the third quarter of 2008) would produce an increase in economic activity of $331 billion in a year. That activity would generate money we could use to pay off the debt we’ve run up to end the current crisis, to buy better education and health care, to protect the environment, to improve our living standards, to spend and, for a few, to save.
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the difference would get larger each year as the two rates were compounded. After 10 years at 2.3% growth, the U.S. economy would grow from $14.4 trillion in the third quarter of 2008 to $18.1 trillion, after accounting for inflation. At 3%, however, the U.S. economy would reach $19.4 trillion in gross domestic product.
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The official unemployment rate hit 7.2% in December. Factor in part-time workers who would like to work full time and discouraged people who have stopped looking for work, and the real rate is more like 13.5%.

Some of those people won’t go back to work even when this recession is over because the relatively meager safety net supporting the unemployed in the United States will have given way beneath them. They will have suffered so much personal and family damage that they will never regain their full pre-recession productivity.