Who said that those units aren't used? It's just that they cost is so high, that bigger and bigger portion of the population can't afford it anymore. It doesn'

Who said that those units aren't used? It's just that they cost is so high, that bigger and bigger portion of the population can't afford it anymore. It doesn't help that foreign investors also purchase the property and either don't rent it (afraid it will reduce its value) or use it for AirB&B. That causes the supply to go even lower and prices go higher.