This paper analyzes consumers' choices between, as well as behavior within three selling mechanisms which are frequently used in online marketplaces: posted prices, ascending auctions and Buy-It-Now auctions. In an exploratory experiment, where subjects choose between one mechanism and an...

Public procurement contracts require frequent renegotiation. We exploit the Czech implementation of an EU policy as a natural experiment to investigate the effect of eased renegotiation rules. We document that the eased renegotiation rules decreased winning bids but did not change the final...