Richard H. Thaler. “Mental Accounting Matters”. Journal of Behavioral Decision Making, 1999, Nr. 3, p. 119, and Richard H. Thaler. Quasi-Rational Economics. New York: Russell Sage 1994; see also Richard H. Thaler and Cass R. Sunstein. Nudge: Improving Decisions about Health, Wealth and Happiness, London: Penguin 2009.
