Complementary Choice Functions

Danilov V. I.

Order（2023）

Central Institute of Economics and Mathematics of the RAS

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摘要

The paper studies complementary choice functions, i.e. monotonic and consistent choice functions. Such choice functions were introduced and used in the work [ 13 ] for investigation of matchings with complementary contracts. We provide three (universal) ways of constructing such choice functions: through pre-topologies, as direct images of completely complementary (or pre-ordered) choice functions, and with the help of supermodular set-functions.

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关键词

Choice function,Substitute,Pre-topology,Pre-order,Supermodularity,Lattice