The Two-Income Trap - The Two-Income Trap: Why Middle-Class Mothers & Fathers are Going Broke, by Elizabeth Waren and Amelia Warren Tyagi. Published in 2003. Hardcover, 272 page...
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[O]ne of the high points of the semester, if you're a teacher of introductory macroeconomics, comes when you explain how individual virtue can be public vice, how attempts by consumers to do the right thing by saving more can leave everyone worse off. The point is that if consumers cut their spending, and nothing else takes the place of that spending, the economy will slide into a recession, reducing everyone's income.
In fact, consumers' income may actually fall more than their spending, so that their attempt to save more backfires — a possibility known as the paradox of thrift.