1. Observations: 23718. Note: standard errors are in parentheses; 2-1, Current-Cost Net Stock of Private Fixed Assets, Equipment, Structures, and Intellectual Property Products by Type;Bureau of Economic Analysis
2. Federal Reserve Economic Database;Gdp Cpiaucsl;FRED data series
3. Accessed: 2015-06-20. National student loan two-year default rates;Federal Student Aid,2015
4. Education Policy and Intergenerational Transfers in Equilibrium