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Why was the solution to poor sales of a bread-making machine the introduction of an additional bread-making machine? Behavioral Economist Dan Ariely offers the answer to this and other economic curiosities in his groundbreaking 2008 work, Predictably Irrational. Download the PREDICTABLY IRRATIONAL audiobook via iTunes http://ads.harpercollins.com/hcaudiopres?isbn=9780061629532&retailer=apple or Audible http://ads.harpercollins.com/hcaudiopres?isbn=9780061629532&retailer=audible