When average income rises, the average incomes of the poorest fifth of society rise proportionately. This is a consequence of the strong empirical regularity that the share of income accruing to the bottom quintile does not vary systematically with average income. The authors document this...

Small states have attracted a good deal of research. The authors test whether micro-states are any different from other states in income, growth, and volatility. They find that, controlling for location, smaller states are actually richer than other states in per capita GDP. This income...

Growth is pro-poor if the poverty measure of interest falls. According to this definition there are three potential sources of pro-poor growth: (1) a high rate of growth of average incomes; (2) a high sensitivity of poverty to growth in average incomes; and (3) a poverty-reducing pattern of...