> A second step would be, to make sure that rental housing is used for that instead of AirBNB or any other investment. This is already in place. Berlin is ver

> A second step would be, to make sure that rental housing is used for that instead of AirBNB or any other investment. This is already in place. Berlin is very strict about apartment usage. Once a unit is designated as a living space, it's very difficult to get a permit to use it as an AirB&B. Also if you own an apartment, it's illegal to leave it without a tenant for an extended period - I think 90 days is the maximum.