> one-time single-digit percentage decreases in rents Why would one expect a single increase in supply of available housing units to cause more than a one-time

> one-time single-digit percentage decreases in rents Why would one expect a single increase in supply of available housing units to cause more than a one-time decrease in rent? > Rents still _increased_, but slightly slower. I'm not entirely sure why you find this funny. It finds adding housing units reduces surrounding future rents. If you find it funny it didn't lower rent in absolute terms for some reason, extrapolate what would happen to the rent of an place within 250 meters of 20 new buildings.