The dataset has the following files :

• From the Zillow research data site there is housing data for the United States. In particular the datafile for all homes at a city level, City_Zhvi_AllHomes.csv, has median home sale prices at a fine grained level.
• From the Wikipedia page on college towns is a list of university towns in the United States which has been copy and pasted into the file university_towns.txt.
• From Bureau of Economic Analysis, US Department of Commerce, the GDP over time of the United States in current dollars (we will use the chained value in 2009 dollars), in quarterly intervals, in the file gdplev.xls. We will also only look at GDP data from the first quarter of 2000 onward.