Rationality and Explanation in Economics (Paperback) book cover

Rationality and Explanation in Economics

By Maurice Lagueux

© 2010 – Routledge

304 pages

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About the Book

Economical questions indisputably occupy a central place in everyday life. In order to clarify these questions, people generally turn to those who are familiar with economics. In answering such legitimate questions, economists propose explanations which rest on a few principles among which the rationality principle is by far the most fundamental. This principle assumes that people are rational, but what is meant by this has to be specified.

Rationality and Explanation in Economics claims that only a minimal kind of rationality is required to ‘animate’ economic explanations. However, such a conception of rationality faces serious objections: it is closely associated with harshly criticised methodological individualism and it is not easily disentangled from sheer irrationality. The book answers these objections and shows that the economists’ way of mobilising the concepts of maximization or of consistency for defining rationality raises more serious problems. Since the latter have encouraged various attempts to downgrade or even to dispense with the very notion of rationality, the book is largely devoted to countering arguments associated with these attempts and to show why postulating that agents are rational is still the only efficient way to explain economic phenomena as such. The author also proposes original views about the role of rationality, the meaning of methodological individualism, the relevance of the selection argument and the relation between ‘rational’ explanations of economics and explanations in natural sciences.


"Explores methodological and philosophical problems raised by economics and considers the role that the rationality principle plays." – Journal of Economic Literature Sept. 2010

Table of Contents

Introduction Part I Rationality in the history of economic thought 1. Rationality in economics before World War II 2. The hardly consistent story of rationality-consistency Part II Objections to the notion of minimal rationality 3. Can methodological individualism survive? 4. Is still some room left for irrationality? 5. Minimal and Maximal Rationality: loosely defined concepts? Part III But is rationality really necessary in economics? 6. Why unrealism of assumptions remains a predicament 7. Explaining in the absence of rationality Part IV Regarding economic explanations 8. Rationality and Natural Selection in Economics 9. Theories of explanation applied to economics. Epilogue

About the Author

Maurice Lagueux is currently Associate Professor in the Department of Philosophy, Université de Montréal, Canada.

About the Series

Routledge Frontiers of Political Economy

In recent years, there has been widespread criticism of mainstream economics. This has taken many forms, from methodological critiques of its excessive formalism, to concern about its failure to connect with many of the most pressing social issues. This series provides a forum for research which is developing alternative forms of economic analysis. Reclaiming the traditional 'political economy' title, it refrains from emphasising any single school of thought, but instead attempts to foster greater diversity within economics.

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Subject Categories

BISAC Subject Codes/Headings:
BUSINESS & ECONOMICS / Economics / General
BUSINESS & ECONOMICS / Economics / Theory
PHILOSOPHY / Methodology