Economic growth

Does obesity fall as countries become wealthier? Evidence from 84 countries points to a more complex relationship with multiple turning points, rather than a single income threshold.

Are poorer countries catching up to richer ones? Using international income data, we test whether poorer countries grow faster and whether income gaps across the world are shrinking, and we see how the answer changed after 2000. This Stata tutorial comes with an interactive app that runs in your web browser.