The study looked at how the size of government in different provinces of Vietnam affects economic growth. They analyzed data from 60 provinces between 1997 and 2012. The researchers found that when government spending and revenue increase, economic growth slows down. However, when government spending and revenue per person increase, economic growth improves. This suggests that provinces with high economic potential benefit from providing better public services. The study also showed that having a smaller government size is better for economic growth, as large government size can be harmful.