References:
- Federal Reserve Bank of Boston (1986, September). Lessons from the Income Maintenance Experiments (Alicia H. Munnell, Editor). Retrieved from: https://www.bostonfed.org/economic/conf/conf30/conf30.pdf and https://www.bostonfed.org/economic/conf/conf30/conf30i.pdf
- Graham, Paul (2008, April). Be Good. Retrieved from: http://paulgraham.com/good.html