People often observe others' decisions before deciding themselves. Using eBay data for DVD auctions we explore the consequences of neglecting nonsalient information when making such inferences. We show that bidders herd into auctions with more existing bids, even if these are a signal of...

Many of the options available to decision makers, such as college majors and romantic partners, can become unavailable if sufficient effort is not invested in them (taking classes, sending flowers). The question asked in this work is whether a threat of disappearance changes the way people value...

Preferences inferred from choice are more likely to favor the alternative that is superior with respect to the prominent (most important or salient) attribute than are preferences inferred from matching (direct tradeoff) judgments. This prominence effect violates standard models of rational...