É sempre bom ouvir um Nobel

Paul Krugman no NY Times

To understand the furor over the decision by Standard & Poor’s, the rating agency, to downgrade U.S. government debt, you have to hold in your mind two seemingly (but not actually) contradictory ideas. The first is that America is indeed no longer the stable, reliable country it once was. The second is that S.& P. itself has even lower credibility; it’s the last place anyone should turn for judgments about our nation’s prospects.

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