Observational analysis shows a positive relationship between income inequality and economic growth overall, indicating a nuanced impact across different income levels.
Key Points
A significant positive relationship exists between income inequality and economic growth when viewed globally.
For high and lower-middle income countries, the relationship is inverted, suggesting a complex interaction based on income levels.
Multiple statistical techniques, such as fixed effects and GMM, were employed to analyze relationships over 31 years.
The findings highlight the essential role of education in promoting economic growth alongside income inequality.