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Logic of Choice and Economic Theory$
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S. N. Afriat

Print publication date: 1987

Print ISBN-13: 9780198284611

Published to Oxford Scholarship Online: November 2003

DOI: 10.1093/0198284616.001.0001

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Introduction

Introduction

Chapter:
(p.1) Introduction
Source:
Logic of Choice and Economic Theory
Author(s):

S. N. Afriat

Publisher:
Oxford University Press
DOI:10.1093/0198284616.003.0001

The subject of choice is first introduced, making the point that it is important for economics, but that it is an unsettled subject, even where the issues touched are quite basic. A cause for some general confusion in approaching the subject is ambiguity—not what is meant by choice, but rather how, or where, or why a choice should be perceived in the first place. Other aspects of choice discussed are choice making and choice systems—the simplest idea of which is the range of choice, which comprises all the important variable circumstances, and gives rise to the idea of a choice function. An important part of the subject is where preference gives the model for the government of choice. The second part of the introduction gives an outline of the book, discusses some rules of notation used, and the relative merits of presenting an economic argument in terms of mathematics or by verbal reasoning.

Keywords:   choice, choice functions, choice making, choice systems, range of choice

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