From the article: As plausible as the cosmopolitan mixing hypothesis might seem, big cities also provide new opportunities for self-segregation, because they ar

From the article: As plausible as the cosmopolitan mixing hypothesis might seem, big cities also provide new opportunities for self-segregation, because they are large enough to enable people to seek out and find others who are similar to themselves It kind of makes sense that people that earn more or have a higher potential want to mingle with people that are the same. There's no upside for better off individuals to stay in low income neighborhoods. No matter how much subsidized housing or whatever, low income individuals will be priced out of events or social gatherings. And the bigger the city, the more opportunities there are, the more segregated economically they tend to be because just a small percentage will "make it". And the rest I think will follow a half Bell curve.