In short, the success of macroeconomic activism, in both theory and practice, has made it possible for free market microeconomics to survive--again both in theory and in practice.
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About Paul Krugman
Paul Krugman was a contemporary American economist. Paul Robin Krugman is an American economist who is the Distinguished Professor of Economics at the Graduate Center of the City University of New York. He was a columnist for The New York Times from 2000 to 2024. Read more on Wikipedia →