The case for laboratory experiments in behavioural public policy

May 17, 2018 | Journal Article

Authors: Pete Lunn , Áine Ní Choisdealbha
Behavioural Public Policy , Vol. 2, Issue 1, May 2018, pp. 22-40

Behavioural science is increasingly applied to policy in many countries. While the empirical approach to policy development is welcome, we argue with reference to existing literature that laboratory experiments are presently underused in this domain, relative to field studies. Assumptions that field experiments, including randomised controlled trials, produce more generalisable results than laboratory experiments are often misplaced. This is because the experimental control offered by the laboratory allows underlying psychological mechanisms to be isolated and tested. We use examples from recent research on energy efficiency and financial decision-making to argue that mechanism-focused laboratory research is often not only complementary to field research, but also necessary to interpreting field results, and that such research can have direct policy implications. The issues discussed illustrate that in some policy contexts a well-designed laboratory study can be a good – perhaps the best – way to answer the kinds of research questions that policy-makers ask.

  • Publication Details

    Journal Article

    Research Area: Behavioural Economics
    Date of Publication: May 17, 2018
    Published Online: January 08, 2018
    Publisher: Cambridge University Press
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