The issue you are discussing is the Malthusian scarcity of housing caused by exclusionary zoning. Specifically, SF has N houses but K > N people who want to liv

The issue you are discussing is the Malthusian scarcity of housing caused by exclusionary zoning. Specifically, SF has N houses but K > N people who want to live there. Arithmetic implies K-N people need to live further out. Reducing income inequality cannot fix this. Only building more houses can. https://en.wikipedia.org/wiki/Pigeonhole_principle https://en.wikipedia.org/wiki/Pigeonhole_principle Also, even if your argument were valid, it only implies that metro area inequality matters. So why are you looking at national inequality?