Money is any token that functions as a socially and legally acceptable medium of exchange for goods and services. Standard economic theories of the consumer gen-erally assume that money affects purchase decisions through the budget constraint (e.g., income) or that individuals’ spending decisions are influenced by the amount of money available to them. Accordingly, money is used as a unit of account or common measure of value for measuring and comparing the worth of different goods and services. Although the importance of the amount of money is recognized in most economic theories, these theories are generally silent regarding how different representations of an identical amount of money influence spending decisions. The principle of descriptive invariance (Kahneman and Tversky 1979; Tversky, Sattath, and Slovic 1988) suggests that decisions and preferences ought to be invariant across different presentations of the same objective stimuli—in this case, the same amount of money..