Friday links: Microinsurance, mental accounting, the agricultural-nutrition link and more

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·         A very useful round-up of the microinsurance literature including several impact evaluations on the FAI blog.

·         How your mental accounting system goes haywire when it comes to “exceptional purchases” – some new consumer research reported in the WSJ Ideas blog.

·         Ever wondered whether small retailers in developing countries are leaving money on the table by not having enough change? – research by Beaman, Magruder and Robinson suggests they are, summarized on the IPA website.

·         Systematic review of the effectiveness of agricultural interventions to improve nutritional status in developing countries in the BMJ (via @rovingbandit).

·         David Brooks argues for controlled experiments to be injected throughout government based on a new book by Jim Manzi, also reviewed more critically here by Eric Posner.

As always, we post more on twitter – follow David (@dmckenzie001) and Berk (@BerkOzler12)