For all of the glitz and glamour of Hollywood moving to Byron Bay, lies a problem that is playing out across many parts of regional Australia: homelessness and housing affordability. While supply is the long term solution, what can be done now to people who are having their roofs over their head being sold from underneath them?
Glaeser and Gyourko G&G) famously argued that if the marginal cost of a square metre of housing lot land is less than the average cost, this is evidence of a price effect from “artificial” supply constraints. However, the economic assumptions behind G&G’s approach are implausible. This note explains why.