Data from supply truthers suggests that homes per capita are at a record high, raising questions about a supply crisis. Despite resistance to the supply story, the evidence presented shows a decline in household size and a shortage of housing post-2008 due to lack of production. Vacant homes don’t affect average household size metrics, and addressing vacancies, foreign buyers, and Airbnb won’t solve the housing shortage. The argument made is more cultural than economic, focusing on the need for various types of housing to address affordability. The battle for affordable housing involves supporting all housing types, not just blocking certain ones.
https://kevinerdmann.substack.com/p/household-size-and-the-housing-stock