Convergence can be seen in the data of all countries together if one holds constant:

Question

Quizplus · Accepted Answer

Holding constant the size of government, the extent of international openness, and investment in education and health will allow for convergence to be observed in data across all countries. This is because these factors play a significant role in determining a country's economic growth and development, and by controlling for them, we can more accurately identify the underlying trends in economic performance.

Convergence Can Be Seen in the Data of All Countries