[Eliminating history from economic thought] Formal analysis, in which maximizing agents use today's 'true' model of the economy to form expectation upon which they then base their behaviour, trivializes the role of the future in economic life and ignores the possibility that the past's models,...

Conventional wisdom suggests that nominal, demand-side shocks have only temporary effects on real macroeconomic magnitudes and that the duration of their effects depends on the degree of nominal inertia. It is also argued that, in the absence of unit roots, temporary supply-side shocks also have...