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Barcelona GSE Working Paper No. 615

Title: Choice By Sequential Procedures
Authors: Jose Apesteguia, Miguel Angel Ballester
Date: 08-03-2012
Keywords: individual rationality, bounded rationality, behavioral economics
JEL Codes: D01
Abstract:
We propose a rule of decision-making, the sequential procedure guided by routes, and show that three influential boundedly rational choice models can be equivalently understood as special cases of this rule. In addition, the sequential procedure guided by routes is instrumental in showing that the three models are intimately related. We show that choice with a status-quo bias is a refinement of rationalizability by game trees, which, in turn, is also a refinement of sequential rationalizability. Thus, we provide a sharp taxonomy of these choice models, and show that they all can be understood as choice by sequential procedures.
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