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Analysis in which the ability of agents act rationally is constrained in one or more respects. Commonly employed in behavioural economics.
A situation in which a market fails to produce an efficient (i.e., welfare-maximizing) allocation.
Input-output models as used by Wassily Leontief.
In signaling games, an informed sender moves first. Their action may "signal" information about the sender's type to an uniformed receiver who then acts based on an updated belief.