Rhetoric in logical discourse

August 21, 2009

In The Myth of the Rational Voter, Bryan Caplan has a short section on the role of rhetoric in discourse, which is something that I’ve been thinking about for a long time now. In Caplan’s analysis, he makes the case that since people have preferences over beliefs, being right isn’t sufficient to convince them that [...]

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Rational Ignorance

July 31, 2009

One of the workhorse concepts in Richard McKenzie’s excellent book Why Popcorn Costs So Much at the Movies and Other Pricing Puzzles is the idea that consumers can be rationally ignorant. Consider an argument he puts forth in Chapter 9 (entitled Why So Many Prices End in ‘9′) — he contends that one reason for [...]

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When it could matter if people are irrational

July 27, 2009

Previously, I’ve made the case that for the purposes of modeling, it doesn’t matter if people are truly rational (where rational is defined as always making decisions in such a way to maximize their utility functions to the best of their ability). However, just because, for the purposes of modeling, the two things are equivalent [...]

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Storytelling about rationality

July 20, 2009

On Friday, I explored the fact that predictable irrationality can be viewed as rationality, but the fact that these things are essentially isomorphic really leads to the disturbing implication that it might not be possible to resolve the question of whether or not we are rational actors. What I am seeing in the literature is [...]

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Modeling irrationality as rationality

July 17, 2009

In yesterday’s post, I talked about how people don’t actually need to be rational in order for rational choice theory to be a good way of describing and predicting their behavior. I would put forth that the reason for this is that although there is asymmetry in a superficial dimension (the actual reasons that people [...]

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Initial Thoughts on Rationality in Social Science

July 16, 2009

Much of what I’ve been reading I’ve been reading lately has dealt with the subject of rationality and rational choice theory. I’m still trying to get my head around the general arguments about the thing, but I have come up with a basic framework for what I think of the subject.
First off, the arguments that [...]

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Review of Predictably Irrational

July 13, 2009

A few weeks ago I read Predictably Irrational by Dan Ariely, or more precisely I listened to the audiobook version. I’ll have some follow-up posts dealing with the actual contents of the book, but I thought I’d start out with my general impressions.
To me, this book seems like a very good introduction to the important [...]

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