How has Michael Jackson's death helped advance the cause of IPA? I've just come back from rural Cusco, Perú, where we were training credit officers for our newest project, where we use video and radio to help teach village bank clients concepts related to financial literacy. Earlier, I had talked to the credit officers about the importance of randomized trials, mentioned results from previous studies, outlined the indicators we were thinking of measuring, and explained relevant details about the assignment of treatment and control banks.
This month's Atlantic Monthly has a controversial article about breastfeeding, specifically making arguments against breastfeeding. The arguments are of two types. One is social and normative, and the other is on the evidence. My thoughts, naturally, are on the evidence. The journalist makes a classic error in understanding and interpreting "treatment effects." Here is a clip: