This book does a good job of explaining why: https://www.amazon.com/New-Geography-Jobs-Enrico-Moretti/dp/0544028058/ https://www.amazon.com/New-Geography-Jobs-E

This book does a good job of explaining why: https://www.amazon.com/New-Geography-Jobs-Enrico-Moretti/dp/0544028058/ https://www.amazon.com/New-Geography-Jobs-Enrico-Moretti/dp/... Pretty much it is a networking effect issue. The same reason why you are posting this on hackernews instead of reddit. Physical proximity matters a lot, even when work is digital.