Hayek was among the first to realize that, in intertemporal equilibrium, all agents must have correct expectations of future prices. Before comparing four categories of intertemporal equilibrium - (1) Perfect-foresight equilibrium, (2) Radner’s sequential equilibrium with incomplete markets,...

Hayek was among the first to realize that for intertemporal equilibrium to obtain all agents must have correct expectations of future prices. Before comparing four categories of intertemporal, the paper explains Hayek's distinction between correct expectations and perfect foresight. The four...