We study an experimental market in which the structure of the information flows is endogenized. When making an offer, traders choose not only the price at which they are prepared to trade, but also the subset of traders they want to inform about the offer. This design allows for two extreme...

We study the structure of markets when traders are given the opportunity to create their own market, as on the internet.On the internet, public exchanges have in many cases been replaced by private exchanges.We use experiments to investigate possible reasons for the failure of public...