Risk and Rationality

Lara Buchak author

Format:Hardback

Publisher:Oxford University Press

Published:28th Nov '13

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Risk and Rationality cover

Lara Buchak sets out an original account of the principles that govern rational decision-making in the face of risk. A distinctive feature of these decisions is that individuals are forced to consider how their choices will turn out under various circumstances, and decide how to trade off the possibility that a choice will turn out well against the possibility that it will turn out poorly. The orthodox view is that there is only one acceptable way to do this: rational individuals must maximize expected utility. Buchak's contention, however, is that the orthodox theory (expected utility theory) dictates an overly narrow way in which considerations about risk can play a role in an individual's choices. Combining research from economics and philosophy, she argues for an alternative, more permissive, theory of decision-making: one that allows individuals to pay special attention to the worst-case or best-case scenario (among other 'global features' of gambles). This theory, risk-weighted expected utility theory, better captures the preferences of actual decision-makers. Furthermore, it isolates the distinct roles that beliefs, desires, and risk-attitudes play in decision-making. Finally, contra the orthodox view, Buchak argues that decision-makers whose preferences can be captured by risk-weighted expected utility theory are rational. Thus, Risk and Rationality is in many ways a vindication of the ordinary decision-maker--particularly his or her attitude towards risk--from the point of view of even ideal rationality.

[T]he level of argument is very high and arguments are pursued in detail over a wide range of sub-topics ... the book as a whole contains a wealth of useful material, of which Buchak's exposition is thorough and extensive without straying off the point. Almost anyone who cares about the subject of this book is likely to learn much from it that is worth learning. It is all in all an excellent addition to the literature. * Arif Ahmed, British Journal for the Philosophy of Science *
Risk and Rationality is a valuable addition to any decision theory library. Buchak provides an exceptionally clear, careful, and sustained defense of a theory for reasoning about uncertainty that takes risk into account. * Notre Dame Philosophical Reviews Online *
Given the technical nature of its subject matter, Risk and Rationality is surprisingly easy to follow. Buchak's writing is free of jargon and she manages to explain even the technical details of her theory in such a non-technical way that I am sure any student of philosophy will be able to follow her discussion. * H. Orri Stefansson, Journal of Economics and Philosophy *

ISBN: 9780199672165

Dimensions: 239mm x 162mm x 23mm

Weight: 556g

274 pages