Building codes and zoning are constitutional, but it's now the case that nobody is allowed to build up to the limits of zoning, and the approval process has bee

Building codes and zoning are constitutional, but it's now the case that nobody is allowed to build up to the limits of zoning, and the approval process has been hijacked to impose all sorts of expensive economic programs. Mao's Great Leap Forward was similar -- essentially an "Affordable Rice" program which drove producers out of the market.