Tim Harford, a Financial Times columnist, is the author of The Undercover Economist.

FORBES: Magazine Article

Tim Harford, a Financial Times columnist, is author of "The Logic of Life" and presenter of Radio 4's "More or Less".

BBC: Bruce Forsyth in 1971

Join Tim Harford as he gives his celebrity guests a second chance at numerical success with the More or Less Christmas numbers quiz.

BBC: Celebrity Christmas Special

Tim Harford, who writes a column for the Financial Times called "Dear Economist, " says the insurance for pets is both good and bad.

NPR: Health Insurance: Now For Your Dog, Or Hedgehog

But Tim Harford, who works at the World Bank and writes a regular newspaper column, never seems to take off his boots at all.

ECONOMIST: Why things cost what they cost

Tim Harford has a fascinating excerpt from his new book available that makes a point that I think deserves being made over and over again.

FORBES: The Importance of Long-Term, Speculative Research

In his book The Undercover Economist, Tim Harford talks about how prices in competitive markets tell the truth about the costs and benefits of different courses of action.

FORBES: Iniquity, Irresponsibility, and/or Incentives?