Miserable Mobility

From 1949-1966, 20% of Americans moved/year. The percentage steadily declined; by the early 1980s 16% of us moved/year. In the mid-1980s the ratio recovered but has since fallen to 8.4%! Worse, through the 1960s persons steadily moved from poorer areas to wealthier ones. That stopped some time ago. Now people move to low-income cities. Why? Unaffordable housing in high-income places due to deliberately restrictive land-use regulations in (primarily) coastal communities.