OCCUPATION: Economist/New York Times op-ed columnist
PREVIOUS APPEARANCES ON THE TIME 100:
PRO: His work on New Trade Theory earned him a Nobel Prize. And he's been one of Obama's most voluble critics, claiming the stimulus bill won't do enough to turn the economy around.
CON: Thomas Friedman still has more juice, meaning Krugman isn't even the most influential voice at his own newspaper.
Next Dr. Alain Carpentier