> much more money available to speculate than available surface area Doubtful, some of the biggest cities on earth have tiny geographic areas. Build more and

> much more money available to speculate than available surface area Doubtful, some of the biggest cities on earth have tiny geographic areas. Build more and let them keep buying, a clear government policy that targets rezoning to keep price rises in-step with inflation would certainly make empty home investors think twice. Real estate speculation is a gamble that governments won't accommodate growing populations and politically benefit from rising house prices. In many places on Earth they are likely right.