the rent is already priced to the maximum of purchasing power of the local renters ability.
if landlords were able to raise rent, they would have done that already as its pure profit for them. The fact that they can't, means they will have to eat any marginal tax imposed on them
if landlords were able to raise rent, they would have done that already as its pure profit for them. The fact that they can't, means they will have to eat any marginal tax imposed on them