Book Review

September 18, 2017

Review by Donald S. Kenkel

Behavioral economics finds that under predictable circumstances people sometimes fail to act rationally and in their own best self-interest. In these circumstances, public policies can nudge people towards better choices. For example, people can be nudged to save more, smoke less, lose weight, and buy more energy efficient vehicles and appliances. In addition to providing new insights about how to design public policies (see Chetty 2015), behavioral economics also has implications for how we conduct benefit-cost analysis (BCA). After all, BCA is built on the foundation of neoclassical welfare economics and rationality. This topic has been explored over the years in the Journal of Benefit-Cost Analysis, notably in a March 2016 Special Issue on [Ir]rationality, Happiness, and Benefit-Cost Analysis

In his new book, "Behavioral Economics for Cost-Benefit Analysis" (Cambridge University Press, 2017), David L. Weimer (University of Wisconsin – Madison) pulls together the insights of behavioral economics to provide “useful guidance for those actually doing BCA.” Because behavioral economics has wide-ranging implications for almost any policy, members of the Society for Benefit-Cost Analysis will very likely find Weimer’s book of interest. 

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