Individuals often have only incompletely known preferences when choosing between pair-wise gambles. Particular presentations of the choice problem may then passively encourage the use of some choice method to clarify the preference. Different presentational displays can then lead to choice...

The evolution by sexual selection of the male propensity to engage in conspicuous consumption contributed to the emergence of modern rates of economic growth. We develop a model in which males engage in conspicuous consumption to send an honest signal of their quality to females. Males who...