The goal-gradient hypothesis denotes the classic finding from behaviorism that animals expend more effort as they approach a reward. Building on this hypothesis, the authors generate new propositions for the human psychology of rewards. They test these propositions using field experiments,...

Purpose: Drawing on an evolutionary perspective, prior studies have revealed that conspicuous consumption by men has signaling functions (i.e. signaling the consumer’s positive mate qualities such as status and ability to acquire resources) for mate attraction. However, it is unclear whether...