Tim DeChant at Per Square Mile drew this conclusion from research published a few years ago: For every 1 percent increase in per capita income, demand for forest cover increased by 1.76 percent.

With April 15’s tax day still fresh in mind, this Behind the News explores the origin of the federal income tax and finds ...

For each state, we reviewed data on all cities, towns, and unincorporated communities with populations of 55,000 or more, and ranked them on income inequality, as reflected in the Gini coefficient.

Inequality indicators are different ways of measuring aggregate differences in income distribution. The Gini index, as well as the 90/10 ratio, are some of the most commonly used. This dashboard shows ...

and on these grounds they resist the idea that reducing world income inequality should be an objective of international public policy. Moreover, many theories of growth and development generate ...