We develop a career concerns model in which agents differ in taste for income in addition to ability, and derive basic implications of this framework. We argue that the model captures important aspects of ambition. Since ambitious agents are expected to work harder and therefore be paid more...

An experiment by Tversky and Kahneman (1981) illustrates that people's tendency to evaluate risky decisions separately can lead them to choose combinations of choices that are first-order stochastically dominated by other available combinations. We investigate the generality of this effect both...