2026-04-18T00:25:17Zhttps://recercat.cat/oai/request

oai:recercat.cat:10230/5422025-12-17T01:46:44Zcom_2072_6col_2072_452953

00925njm 22002777a 4500 dc Apesteguía, José author Ballester, Miguel A. author 2017-07-26T10:50:05Z 2017-07-26T10:50:05Z 2007-09-01 2017-07-23T02:11:20Z We study the complexity of rationalizing choice behavior. We do so by analyzing two polar cases, and a number of intermediate ones. In our most structured case, that is where choice behavior is defined in universal choice domains and satisfies the "weak axiom of revealed preference," finding the complete preorder rationalizing choice behavior is a simple matter. In the polar case, where no restriction whatsoever is imposed, either on choice behavior or on choice domain, finding the complete preorders that rationalize behavior turns out to be intractable. We show that the task of finding the rationalizing complete preorders is equivalent to a graph problem. This allows the search for existing algorithms in the graph theory literature, for the rationalization of choice. rationalization computational complexity np-complete arbitrary choice domains Microeconomics On the complexity of rationalizing behavior