Definition of Allocative efficiency

Allocative efficiency is the market condition whereby resources are allocated in a way that maximizes the net benefit attained through their use. Allocative efficiency refers to a situation in which the limited resources of a country are allocated in accordance with the wishes of consumers. An allocatively efficient economy produces an "optimal mix" of commodities. A firm is allocatively efficient when its price is equal to its marginal costs (that is, P = MC) in a perfect market.