How Poorly are the Poor Represented in the US Senate

In his new book Unequal Democracy, Larry Bartels finds that rich constituents are substantially better represented by the legislators in the US Senate than their poorer counterparts. In fact, the poorest third of the population is not represented at all. While we do not find evidence directly contradictory this finding, we add some complications. First, we solve a methodological problem caused by the fact that the weights used in the existing...