We propose a novel approach to the modelling of second-price Maximum-Value auctions that assumes no belief about others' behavior and no expected profit maximization. This individual decision-making model, naïve Impulse Balance Equilibrium or nIBE, deals with bidders' anticipated regrets from...

The paper presents a complete information model of bidding in second price sealed-bid and ascending-bid (English) auctions, in which potential buyers know the unit valuation of other bidders and may spitefully prefer that their rivals earn a lower surplus. Bidders with spiteful preferences...

We study experimentally whether heterogeneity of behavior in the Centipede game can be interpreted as the result of a learning process of individuals with different preference types (more and less pro-social) and coarse information regarding the opponent's past behavior. We manipulate the...