Ma, Wei2016-08-112015-09Ma, W 2015, 'The existence and efficiency of general equilibrium with incomplete markets under Knightian uncertainty', Economics Letters, vol. 134, pp. 78-81.0165-1765 (print)1873-7374 (online)10.1016/j.econlet.2015.06.013http://hdl.handle.net/2263/56257This paper first establishes the existence of equilibrium for an economy with Knightian uncertainty and incomplete markets, and then demonstrates the constrained Pareto efficiency of the equilibrium when there is one commodity only in each state of nature.en© 2015 Elsevier B.V. All rights reserved. Notice : this is the author’s version of a work that was accepted for publication in Economics Letters. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Economics Letters, vol. 134, pp. 78-81, 2015. doi : 10.1016/j.econlet.2015.06.013.Knightian uncertaintyIncomplete marketsGeneral equilibriumPareto efficiencyPostprint Article