"That is from Tim Harford's new The Undercover Economist: Exposing Why the Rich are Rich, the Poor are Poor -- and Why You Can Never Buy a Decent Used Car (don't trust Amazon, the release date is November, not January). This book is one of the very best introductions to the economic way of thinking. 'Required Reading,' says Steve Levitt, what better endorsement could you want?
Here is Tim's home page, including his FT 'Dear Economist' columns. Here is Tim's Private Sector Development Blog. Here is Tim's recent FT piece on Thomas Schelling. "