The Inequality Process (IP) is a particle system model similar to that of the Kinetic Theory of Gases. The IP is a parsimonious model of competition among people for wealth. The IP explains a wide scope of stable patterns in the distribution of personal income and wealth. Econophysicists have...

Much of the U.S. labor economics literature asserts that U.S. wage income inequality increased in the last half of the 20th century. These papers point to two trends: 1) the increasing dispersion in U.S. wage incomes, and 2) the rapid growth in the relative frequency of large wage incomes of...