How did different countries fare in achieving a balance between infection control and economic stability during the COVID-19 ...

SORTING COUNTRIES into rich and poor can be difficult. Measures such as GDP are affected by population size (more people generally mean more output). But adjusting for population alone is not enough.

Purchasing power parity (PPP) is an economic concept that compares the relative value of currencies by examining the cost of identical goods and services across different countries. It helps determine ...