Bill- Yes, the difference is that Keynes did not have AS and AD as a "function" of the "price level." For some of the best rips of the conventional AS/AD see John Weeks A CRITIQUE OF NEOCLASSICAL MACROECONOMICS and Edward Nell in FREE MARKET MARKET CONSERVATISM and TRANSFORMATIONAL GROWTH AND EFFECTIVE DEMAND. ISLM is bad enough, AS/AD is beyond bizarre. But there have been some defenses by "non-orthodox" in recent Eastern Economic Journals (Skott, Dutt?). Mat Forstater
