Get your dependency ratio off my lawn

Old people work more than they used to. This is important if you're worried about what an aging population means for the economy. When they taught me demography, I learned about the dependency ratio, which was the number of people presumed to be dependents (those ages 0-14 and 65+) relative to those presumed to be…

Poverty Poses a Bigger Risk to Pregnancy Than Age

Originally published in TheAtlantic.com. The problem of income inequality often gets forgotten in conversations about biological clocks. The dilemma that couples face as they consider having children at older ages is worth dwelling on, and I wouldn't take that away from Judith Shulevitz's essay in the New Republic, "How Older Parenthood Will Upend American Society," which has sparked…