EmanuelDerman: @INETeconomics @MarkThoma Re Summers analogy w. engineers: There isnât a SINGLE economic theory that's reliably correct http://t.co/h7TbhVM

EmanuelDerman: @INETeconomics @MarkThoma Re Summers analogy w. engineers: There isn’t a SINGLE economic theory that's reliably correct http://t.co/h7TbhVM