Under business-as-usual projections to the year 2100, inequality in per capita carbon emissions is likely to decline - but slowly. Targeted reductions should be effective in reducing not only total emissions but emissions inequality. Heil and Wodon analyze inequality in future carbon emissions...

Mobility implies initial and final distributions and a transition process linking the observations of these two distributions. An inequality index describes properties of the intitial or final distribution. A mobility index describes the transition. In most cases, mobility indices have been...