Knight Frank surveyed its teams world-wide to see what properties and amenities are most often requested by corporate executives working abroad, and what price is "typical" for the area.

WSJ: Big Rent Increases for Expat Housing Around the World

Under a typical school PPP project, the council awards a private sector consortium of various firms a contract to build or refurbish properties and then maintain the facilities over a period of perhaps 25 years or more.

BBC: NEWS | UK | Scotland | Union steps up fight against PPP