This famous study apparently found a positive correlation between initial English proficiency and economic growth only for the countries in the Asia and Europe. This effect was not evident in Latin American and African nations.
This indicates that the impact of English proficiency on economic growth may vary depending many factors including regional factors, existing economic conditions, political factors as well as the efficiency of institutions.
link to study: https://jecoss.ibu.edu.ba/assets/jecoss/userfiles/files/volumes/volume2/JECOSS-Volume-2-Issue-1-full.pdf#page=5
This indicates that the impact of English proficiency on economic growth may vary depending many factors including regional factors, existing economic conditions, political factors as well as the efficiency of institutions.
link to study: https://jecoss.ibu.edu.ba/assets/jecoss/userfiles/files/volumes/volume2/JECOSS-Volume-2-Issue-1-full.pdf#page=5