Many papers have reported behavioral biases in belief formation that come on top of standard game-theoretic reasoning. We show that the processes involved depend on the way participants reason about their beliefs. When they think about what everybody else or another "unspeci fied" individual is...

The behavioural approach can be applied to both the design of an auction as well as to the implementation of a bidding strategy. This paper reports a case study in which we assisted a bidder in the German DCS1800 auction in the preparation for its bidding. We describe the various steps on this...

Behavioral policy often aims at overcoming biases due to, e.g., imperfect information or inattention. When bias arises from multiple sources, interventions that target different sources may be complements: each intervention becomes more effective when combined with another. We test this in a...

We introduce a new method for measuring the decision to lie in experiments. In the game, the decision to lie increases own payment independent of the counterpart's decision, but potentially at a cost for the counterpart. We identify at the individual level the decision to lie, and measure how...