In this article, I examine several models of voter behavior that are consistent with recent work in political psychology (Fiske and Tetlock, 1997) concerning incommensurability and individuals’ reluctance to make decisions involving explicit trade-offs between competing ideals or...

Many theories of consumer behavior involve thresholds and discontinuities. In this paper, we investigate consumers' use of screening rules as part of a discrete-choice model. Alternatives that pass the screen are evaluated in a manner consistent with random utility theory; alternatives that do...