CIES scholars have documented the rise of international large-scale assessments (ILSAs) over the past two decades. These assessments include global projects such as the Programme for International ...

Harvard University Press, Cambridge, Massachusetts, 2016, 320 pp., $29.95 (cloth). From assessing inequality in the Byzantine Empire to musing over where people fall on the global distribution of ...

Global inequality—income differences among countries—has been declining, but the picture within countries is less clear and varies depending on income group and country-specific factors. IMF research ...

Progress in reducing global poverty has essentially halted: by 2030, nearly 7 percent of the world's population—nearly 600 million people—will still struggle in extreme poverty. Within-country ...