1. 2.Ariely, Dan, Uri Gneezy, and Ernan Haruvy (2005), On the Discontinuity of Demand Curves Around Zero: Charging More and Selling More, working paper, Massachusetts Institute of Technology.
2. Nonconsequentialist decisions
3. 4.Cialdini, Robert B. and Melanie R. Trost (1998), Social Influence: Social Norms, Conformity, and Compliance, inThe Handbook of Social Psychology, Vol. 2, Daniel T. Gilbert, Susan T. Fiske, and Lindsey Gardner, eds. New York: McGraw-Hill, 151–92.
4. From catalog to classification: Murray's needs and the five-factor model.