Truthtelling is often viewed as focal in direct mechanisms. We introduce two new notions of robust implementation based on the premise that society may be composed of "primitive'' agents who, whenever confronted with a strategy profile, anchor to truthtelling and make a limited number of...

In markets with asymmetric information, where equilibria are often inefficient, bargaining can help promote welfare. We design an experiment to examine the impact of competition and price transparency in such settings. Consistent with the theoretical predictions, we find that competition...