
This paper identifies a necessary and sufficient condition for index-wise comparative statics, which can: (i) establish comparative statics of a single decision without solving the entire model and (ii) enable analysis in settings where substitutability among variables otherwise precludes the use of current comparative statics methods. We prove this result with an extended version of lattice theory. By means of an example, we highlight the advantages as well as disadvantages offered by index-wise comparative statics.
Mathematical Social Sciences, 102
ISSN:0165-4896
Monotone comparative statics; Quasi-ordered sets; Necessary and sufficient condition, Quasi-ordered sets, Necessary and sufficient condition, quasi-ordered sets, Microeconomic theory (price theory and economic markets), Monotone comparative statics, monotone comparative statics, necessary and sufficient condition
Monotone comparative statics; Quasi-ordered sets; Necessary and sufficient condition, Quasi-ordered sets, Necessary and sufficient condition, quasi-ordered sets, Microeconomic theory (price theory and economic markets), Monotone comparative statics, monotone comparative statics, necessary and sufficient condition
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