We show in a public goods experiment on three continents that conditional cooperation is a universal behavioral ….S.A. than anywhere else. -- conditional cooperation ; public goods ; experiment …

The effects of a Tobin tax on foreign exchange markets have long been disputed. We present an experiment with currency … has persistent effects even after its abolishment. -- Tobin tax ; experiment ; foreign exchange ; market efficiency …

. In our laboratory experiment, we establish the existence of a significant efficiency premium of uniform wages. However …-enhancing effects. -- gift exchange ; multiple agents ; uniform contracts ; collective wage ; experiment …

of wage inequality. -- wage dispersion ; effort ; experiment ; gift-exchange …

three mechanisms with the appropriate distribution of prizes. We test the model's predictions in a laboratory experiment and … ; promotion ; firing ; contract ; experiment ; learning …

more efficient and end-of-experiment imbalances common in SSW-markets are not observed. Our results demonstrate, that …