Government action to control rents isn't unprecedented. Menzies did it in the second world and subsequent state measures kept rents in check for decades. Now extreme circumstances justify it again.
Housing laws in England can still leave tenants without proper protection, but the latest reforms offer hope for the future.
Noisy tourists are putting a strain on Berlin's rental market.
While New York clings firmly to its system of rent control, London's housing market has changed too much to re-introduce them.
Why putting a price ceiling on rent is not the answer to a city's housing problems.
Sure, a chunk of Stuyvesant Town's units will remain affordable for 20 years. But what happens after that?
Miliband's plans to stop landlords hiking up rents won't fix the housing supply problem.