
Paul Krugman @paulkrugman
By the way, Tobin was skeptical of the natural rate too — oh, and foreshadowed the collapse of the concept of the money supply as a well-defined measure. Funny how Tobin, not Friedman, appears to have won the long-run argument 6/ https://t.co/EI0FU0ghxx — PolitiTweet.org