Primary components of US Gross Domestic Product

"Real Estate", "Finance, Insurance, Real estate, rental, and leasing"and "Real estate and rental and leasing" are accounted for about 45% of total GDP in United states.

Obviously, related to housing consumption and price are significant impact on US economy.

CBO says FY2014 budget defcit will be $506 billion

Here is federal surplus and deficit chart 1995 to 2013