> We have proof from studies that rent control actively makes things worse for everyone
There is rent control everywhere in Spain and it didn't make anything worse. For some reason this 'rent control make everything worse' always originates from the Angloamerican financial discourse. And not surprisingly, the reference you gave is from a neoliberal institute...
I am Spanish, and I can tell you there is a lot of Spanish media claiming rent control is making things worse in the cities that implemented it. Just do a Google search from within Spain: almost all the results discuss negative impact.
Try this search search: control de alquiler barcelona efectos
There is rent control everywhere in Spain and it didn't make anything worse. For some reason this 'rent control make everything worse' always originates from the Angloamerican financial discourse. And not surprisingly, the reference you gave is from a neoliberal institute...