What are the best ways to measure and compare productivity across countries?
Productivity is a key indicator of how efficiently and effectively a country uses its resources to produce goods and services. It reflects the level of innovation, technology, human capital, and institutional quality that a country possesses. But how can we measure and compare productivity across different countries, especially when they have different economic structures, sizes, and development stages? In this article, we will explore some of the best ways to do so, and what challenges and limitations they entail.