With only a small number of their students coming from families with the lowest incomes (10% from the bottom two family income quintiles), the nation's most selective private colleges and universities need to know why. Two ready ideological answers are (1) that low-income high-ability students...

We empirically examine whether there is discernable variation in the matriculation patterns of low-income students at public flagship institutions in the United States around changes in institutional financial-aid policies that target resident, low-income students with need-based aid. While...