Dan Ariely is a professor of Behavioral Economics at Duke University. Ariely's a lively writer, and "The End of Rational Economics" is a quick but informative piece from 'The Harvard Business Review' (2008).
The piece has several good ideas. The one I liked best was a discussion about angry customers who might exact revenge with a bad review, and how to defuse them. That alone was worth the download and the listen time.
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