The mix of different types of building that make up the critical U.S. housing market have changed drastically since the epic U.S. home building crash of September 2006. While all acknowledge that the statistics will not soon — or ever — again be at 2.5 million housing starts annualized, there are many and varied interpretations of this new mix of U.S. home building data.  Multi-unit starts continue to dominate, by a much higher ratio than previously. For several years since the U.S. housing recovery, economists held on to the idea that the ...