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CGD Policy Blogs


Chart showing LAYS gained per $100 on a log scale. Giving information has huge variance but the highest gains. Targeted teaching and structured lessons also had high average gains.

What Interventions Deliver the Most Quality Years of Education? And at What Price?

There are many studies that show how one intervention reduces dropouts (better access to school) or another intervention increases learning (better quality of schooling). But policymakers and others care about a combination of access and learning! So how do you choose between one intervention that says it will keep kids in school longer and another that says it will boost their learning? Presenting the results of evaluations in terms of learning-adjusted years of schooling, or LAYS, is one solution.

IMF Growth projections for all regions fell in the April and June 2020 estimates (versus January), then remained similar in October. All regions are projected to be negative now

Six Takeaways from the New Growth Forecasts from the IMF and the World Bank

This week the IMF released new global economic growth projections in the face of COVID-19, updating their earlier projections from June and from April before that. In recent weeks, the World Bank has also released new projections for various regions. Here are six takeaways that we gleaned from reviewing those and dozens of other projections from other organizations over the course of the year.

Figure showing average diagnostic accuracy across countries and conditions. Diabetes is lowest, around .3, and malaria is highest at over .8. Tanzania and Kenya are tops at .8 and Nigeria is lowest at about .5

What Health Workers in Africa Know, What They Have to Work With, and How To Translate That into Quality of Care

Even before the COVID-19 pandemic broke out, the quality of health services across many African countries was too low.  In an article that is now forthcoming at BMJ Global Health, we draw on data for more than 20,000 health providers and 8,000 facilities to construct an aggregate measure of heath care readiness. What do we find?