Gini implicitly assumes a flat distribution is desirable. Ask North Korea and Cuba how that works out.
PPP GDP per capita is okay, but the PPP portion is rife with assumptions, some untenable. For instance, you really really don't want to live in a heavy industrial area in China, the air is like soup -- sometimes it pegs the AQI needle at 999. US hasn't ever had air that bad, even before the Clean Air Act.
PPP GDP per capita is okay, but the PPP portion is rife with assumptions, some untenable. For instance, you really really don't want to live in a heavy industrial area in China, the air is like soup -- sometimes it pegs the AQI needle at 999. US hasn't ever had air that bad, even before the Clean Air Act.