uncertainty affects work performance and willingness to compete in the field, it can be studied in a controlled lab experiment. We … present a novel experiment where subjects can compete against each other, but where the number of winners is either uncertain … willingness to enter competition with uncertainty and ambiguity, but men react slightly more than women. Overall, both effects …

, compete for a prize there is a need for intra-team coordination in order to win the inter-team competition. Introducing … reducing efforts. In our experiment we control the channels of communication by letting subjects communicate through an …. -- tournament ; team decision making ; communication ; collusion ; freeriding ;experiment …

inefficiencies, such as under- and overtreatment or market break-down. We study in a large experiment with 936 participants the … has little influence, as predicted. Seller competition drives down prices and yields maximal trade, but does not lead to … higher efficiency as long as liability is violated. -- credence goods ; experiment ; liability ; verifiability ; reputation …