Summary.
A Lagrangian characterization of the solutions of the consumer problem is provided when preferences are not representable by a continuous utility function.
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Received: March 15, 1999; revised version: July 23, 1999
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Gutiérrez, J., Herrero, C. Lagrangean conditions for consumers with nonrepresentable preferences. Econ Theory 16, 483–487 (2000). https://doi.org/10.1007/PL00020955
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DOI: https://doi.org/10.1007/PL00020955