Instead of using income as a proxy for affordability, using actual cost of rent by census tract would be way better. The ACS data he used includes Rent values a

Instead of using income as a proxy for affordability, using actual cost of rent by census tract would be way better. The ACS data he used includes Rent values and property values, both of which are a much better measure of affordability than income. Or the sort of data provided by Kwelia. [1] http://kwelia.com http://kwelia.com