Adaptive learning and punishment are highly prominent competing explanations for ultimatum game behavior. We report on an experiment that considers each theory in stand-alone form, so that one does not rely on the other in any substantial way. Our data exhibits patterns for which punishment can...

This paper reports on RatImage, a toolbox specifically developed to simplify the programming of software used in computerized human behavior experiments. RatImage contains Borland Turbo Pascal constans, variables, functions, and procedures which, when used, relieve programmers of many tedious...

This paper reports on RatDemo, an example program for the application of RatImage, the Research Assistance Toolbox for computerized human behavior experiments. The complete source code of this short experiment program is listed and briefly discussed. Since RatDemo combines several central...

This paper reports on RatImage, version 3.30. The extended features are presented. RatImage 3.30 is fully downward compatible to the first published version of the Research Assistance Toolbox for Computer-Aided Human Behaivor experiments, RatImage 3.10. This paper is an addendum to the manula of...

If payoffs are tickets for binary lotteries, which involve only two money prizes, then rationality requires expected value maximization in tickets. This payoff scheme was increasingly used to induce risk neutrality in experiments. The experiment presented here involved lottery choice and...

I report here on a series of laboratory tests aimed at a long standing puzzle concerning the impact of arbitration on bargaining behavior. The findings outline a fresh solution. The arbitration puzzle is closely linked to the debate over why disputes arise in bargaining, and so the work speaks...

The German federal government intends to introduce regular staff rotation as a precautionary measure against corruption in public administrations. To test the effectiveness of this instrument, we conduct an experiment using the bribery game by Abbink, Irlenbusch, and Renner (1999), in which...