In this paper we introduce a new type of experiment that combines the advantages of lab and field experiments. The … experiment is conducted in the lab but using an unchanged market environment from the real world. Moreover, a subset of the … experiment to study seller behavior in online auctions with a Buy-It-Now feature, where early potential bidders have the …

auction. We analyse experimentally how eBay sellers set BIN prices and whether they benefit from offering them. Using the real … eBay environment in the laboratory, we find that the eBay auction format supports deviations from truthful bidding leading … to auction prices substantially below those expected in second-price auctions. Our results reveal that the observed price …

does not effect their price decisions. Compared to an eBay auction without a BIN-price, the BIN-auction is more efficient …