A few days ago, my colleague Gerry Johnson brought to our attention this presentation by Owen Barder. Watch it. It's provocative, persuasive and pregnant with ideas. It seems like it chats with Esther Duflo’s Ted Talk that Francisco Mejía shared a few days ago. It weaves very nicely the day-to-day practical issues that we face in impact evaluation. It also challenges, … [Read more...] about Two ideas that simplify: food for thought