united arab emirates dubai keep calm housing bubble
An advertising sign for a real estate company reading "Keep Calm There's no Bubble" is seen on a building in the Marina district of Dubai November 19, 2013.
  • Higher interest rates have deflated real-estate bubbles across the world, according to UBS.
  • Central banks have aggressively hiked borrowing costs over the past 18 months to combat inflation.
  • The New York, Boston, and San Francisco markets are all fairly valued now, the Swiss bank said.

One benefit of global central banks' aggressive interest-rate hikes over the past 18 months? Fewer housing-market bubbles, according to UBS.