"Economic Conditions and U.S. National Security in the 1930s and Today" (2009).
“The kind of economic trouble that Asia experienced a decade ago, and that we're all experiencing now, is precisely the sort of thing we thought we had learned to prevent. In the bad old days big, advanced economies with stable governments-like Britain in the 1920s-might have had no answer to prolonged periods of stagnation and deflation; but between John Maynard Keynes and Milton Friedman, we thought we knew enough to keep that from happening again.”
Introduction
The Return of Depression Economics and The Crisis of 2008 (2009)
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Paul Krugman 106
American economist 1953Related quotes
"The Effect of Government on Economic Efficiency." 1988
David Warsh, "The Enormous Black Box" http://www.economicprincipals.com/issues/2009.12.13/841.html (2009)
Part Three, Arbitrage, Paul Samuelson, p. 117
Fortune's Formula (2005)

"Virus Strikes Again", Originally "Supply-Side Virus Strikes Again: Why there is no cure for this virulent infection" http://web.mit.edu/krugman/www/virus.html, undated draft at web.mit.edu of a "The Dismal Science" column for Slate
The Accidental Theorist: And Other Dispatches From The Dismal Science (1998)

N. Gregory Mankiw, "What Would Keynes Have Done?" in New York Times (November 28, 2008).
2000s -

4.Paul Samuelson is Unique.
Ten Ways to Know Paul A. Samuelson (2006)