Development that Works
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    This blog highlights effective ideas in the fight against poverty and exclusion, and analyzes the impact of development projects in Latin America and the Caribbean.
  • On theories of change and missing data: why I want a cat



    I haven’t had much time to write a blog entry this week and the one I was writing became too complicated (on cognitive bias and discrimination – started very intuitively but I became mired in very slow thinking).

    I thought it would be more enlightening if I shared a slide from a Powerpoint presentation that my 10 year old daughter emailed me late last week.

    Most economists, political scientists etc. struggle with the formulation of a valid theory of change, a good results chain, and how to provide credible evidence of causality.

    She took like 10 minutes. Thinking fast, slow.

    What she left out was that we already have a cat, a dog, a crested gecko, four turtles, two guinea pigs and two hamsters.


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