The Paper reports a basic Experiment on the option pricing approach. Each trader with an increasing utility for money values the option with his arbitrage free price, which is independent of the probability of the stock movement. The experimental data show that the traiders learn to exploit more...

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...

We introduce the moonlighting game. Player A can take money from or pass money to player B, who can either return money or punish player A. One-shot experiments were performed on this game. Treatments were conducted with and without making non-binding agreements beforehand. The results refute...

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...

This paper reports an option pricing experiment on the binomial model, which has been conducted with professional traders of financial assets. The experimental results are compared to a corresponding experiment with students. The data show that professional traders achieve lower arbitrage...

Essential characteristics of corruption are (1) a reciprocity relationship between briber and public official, (2) negative welfare effects, and (3) high penalties when discovered. We separate the influences of these factors in an experiment. In a two-player game reciprocation is economically...

Dieser Aufsatz beschreibt ein Optionsbewertungsexperiment zum Binomialmodell, das mit professionellen Tradern von Finanztiteln durchgeführt wurde. Die Ergebnisse dieses Experiments werden mit denen eines entsprechenden Versuchs mit Studenten verglichen. Es zeigt sich, daß die professionellen...

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...