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Hart, Oliver. 1975. “On the Optimality of Equilibrium when the Market Structure is Incomplete.” Journal of Economic Theory 11: 418-443.
Hart, Oliver, and HW Kuhn. 1975. “A Proof of the Existence of Equilibrium without the Free Disposal Assumption.” Journal of Mathematical Economics 2: 335-343.
Hart, Oliver. 1974. “On the Existence of Equilibrium in a Securities Model.” Journal of Economic Theory 9: 293-311.
Hart, Oliver, and DM Jaffee. 1974. “On the Application of Portfolio Theory to Depository Financial Intermediaries.” Review of Economic Studies 41 (January): 129-147.