Many studies have estimated the effect of circumstances on income acquisition. Perhaps surprisingly, the fraction of inequality attributable to circumstances is usually quite small - in the advanced democracies, on the order of 20%. One reason for this is the lack of data on circumstance...

The modern formulation of equality of opportunity emerges from discussions in political philosophy from the second half of the twentieth century beginning with Rawls (1971) and Dworkin (1981a,b) . Equality of opportunity exists when policies compensate individuals with disadvantageous...