Published on Development Impact

Weekly links March 20: Inside homes, the life of the a field manager, familywise error controls, and more…

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·       Academic Sequitur on which journals have relatively more or less papers published by women? The least male-dominated journals include the JDE, WBER, J. International Economics, JHR, AEJ Applied and AEJ Policy.

·       One Hundred Homes illustrates with pictures, videos, 360 images, and family descriptions what people inside the statistics of income or consumption interviewed for standard government surveys look like in real life. It organizes the one hundred visual essays according to the results of a household consumption survey used throughout India.

·       A day in the life of a female field manager in Nigeria, from IDinsight.

·       Daniel Lakens on what is a family in family-wise error controls? “we need to control our error rate at the level of our claim. One reason the issue of family-wise error rates might remain vague, is that researchers are often vague about their claims. We do not specify our hypotheses unambiguously, and therefore this issue remains unclear….Let’s assume we collect data from 100 participants in a control and treatment condition. We collect 3 dependent variables (dv1, dv2, and dv3). We will analyze the three dv’s in independent t-tests. This requires specifying our alpha level, and thus deciding whether we need to correct for multiple comparisons. How we control error rates depends on claim we want to make. We might want to act as if (or claim that) our treatment works if there is a difference between the treatment and control conditions on any of the three variables. …We could also want to make three different predictions. Instead of one hypothesis (“something will happen”) we have three different hypotheses, and predict there will be an effect on dv1, dv2, and dv3. The criterion for each t-test is the same, but we now have three hypotheses to evaluate (H1, H2, and H3). Each of these claims can be corroborated, or not.”

·       On Let’s Talk Development, Bob Cull and I summarize one of the key lessons from development work: Implementing successful small interventions at a large scale is hard.

·       Ugo Gentilini’s weekly social protection weeks provides a comprehensive look at how different countries are using social protection programs to respond to Covid-19.


David McKenzie

Lead Economist, Development Research Group, World Bank

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