Overlapping questions: globalization and distributive justice -- The knowledge economy. Microelectronics and market efficiency -- Requisite agility -- Efficiency as a criterion of distributive justice. Efficiency matters even more in the information age : considering the allocative dimension of price -- Preconditions and limitations of efficiency : considering the distributive dimension of price -- Need as a criterion of distributive justice. Need satisfaction as a necessary condition of efficiency -- Broader base for market initiative, creativity, and stability -- Entitlement as a criterion of distributive justice. Ownership externalities -- Summary and conclusions : distributive justice in the knowledge economy