The United States has the highest income gap in the developed world, and it's affecting how kids do in school, new research suggests. A new study reports that 10-year-olds' scores on standardized math ...

One of the most provocative — and most disturbing — of this year's economics books is "The Great Leveler." Its historian/author Walter Scheidel argues that economic inequality is not only inevitable, ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Robert Kelly ...