1 “... covering these very same households had, by 2014, been carried out five times, that is, every two years...”

2 “... time, the large majority of countries have made impressive progress in key non-monetary indicators...”

3 “... emissions. As this new era of experimentation dawns, their contributions are both relevant and timely....”

4 “... discoveries of natural resources. At the same time, Africa’s economic structure has changed very little...”