Income Inequality

Pranab Bardhan used the Gini coefficient to study the trend of global income inequality.

1. In what way is the research method used by Pranab Bardhan on global inequality different from that of Stanley Fisher's research on "catching up"?
2. Is his finding consistent with that of Stanley Fisher? Explain.
3. Why is China's Gini coefficient similar to that of the U.S.?

4)Use specific example/evidence to prove that, in your opinion, the global inequality is getting better (or worse).

Answer all sub parts properly