Philadelphia Inquirer: Article on proposed changes to Social Security quotes economics prof

An article in the Philadelphia Inquirer on proposed changes to Social Security quotes Isaac Ehrlich, UB Distinguished Professor and chair of economics, who says that modern society has "created a public system that makes it less necessary for families to rely on the traditional way of securing their retirement -- which was by having children," and notes that in countries where public pensions are more generous, people have fewer children. Go the article.