http://cityobservatory.org/the-origins-of-the-housing-crisis/ http://cityobservatory.org/the-origins-of-the-housing-crisis... A major reason why housing supply

http://cityobservatory.org/the-origins-of-the-housing-crisis/ http://cityobservatory.org/the-origins-of-the-housing-crisis... A major reason why housing supply is so inelastic today is that zoning has become much more restrictive in the last two generations.