Learn More
In many field settings, participants sort among environments based on their preferences , beliefs, and skills. Experiments, however, often ignore the potential impact of such sorting. We demonstrate the importance of sorting for experiments, in the domain of social preferences. When individuals are constrained to play a dictator game, 61% of the subjects(More)
We examine the robustness of information cascades in laboratory experiments. Apart from the situation in which each player can obtain a signal for free (as in the experiment by Anderson and Holt, 1997, American Economic Review), the case of costly signals is studied where players decide whether to obtain private information or not, at a small but positive(More)
We consider a decisionmaker who "narrowly brackets", i.e. evaluates her decisions separately. Generalizing an example by Tversky and Kahneman (1981) we show that if the decisionmaker does not have constant-absolute-risk-averse preferences, there exists a simple pair of independent binary decisions where she will make a …rst-order stochastically dominated(More)
The G8 is considering committing to purchase vaccines against diseases concentrated in low-income countries (if and when desirable vaccines are developed) as a way to spur research and development on vaccines for these diseases. Under such an 'advance market commitment,' one or more sponsors would commit to a minimum price to be paid per person immunized(More)
Two behavioral models of two-person normal-form game play are presented and estimated, using three experimental data sets. The models are variants of the Quantal Response Equilibrium model de...ned by McKelvey and Palfrey (1995, Games and Economic Behavior), but allow a player to hold inaccurate beliefs about the behavior of her opponent. Each model(More)
Discussion papers of the WZB serve to disseminate the research results of work in progress prior to publication to encourage the exchange of ideas and academic debate. Inclusion of a paper in the discussion paper series does not constitute publication and should not limit publication in any other venue. The discussion papers published by the WZB represent(More)
Discussion papers of the WZB serve to disseminate the research results of work in progress prior to publication to encourage the exchange of ideas and academic debate. Inclusion of a paper in the discussion paper series does not constitute publication and should not limit publication in any other venue. The discussion papers published by the WZB represent(More)
We present evidence from a natural field experiment designed to shed light on the efficacy of alternative fundraising schemes. In conjunction with the Bavarian State Opera House, we mailed 25,000 regular opera attendees a letter describing a charitable fundrais-ing project organized by the opera house. Recipients were randomly assigned to one of six(More)
We present evidence from a natural field experiment designed to shed light on whether individual behavior is consistent with a neoclassical model of utility maximization subject to budget constraints. We do this through the lens of a field experiment on charitable giving. In conjunction with the Bavarian State Opera House, we mailed 25,000 regular opera(More)