This dissertation, which consists of three essays, studies online auctions boththeoretically and empirically.The first essay studies a special online auction format used by eBay, “Buy-It-Now” (BIN) auctions, in which bidders are allowed to buy the item at a fixed BINprice set by the seller...

We experimentally investigate the disposition of decision makers to use case-based reasoning as suggested by Case-Based Decision Theory (Gilboa and Schmeidler, 1995). Our subjects face a monopoly decision problem about which they have very limited information. Information is presented in a...

We experimentally test whether the possibility of building a reputation impacts behavior in the manner suggested by theory. Our unified reputation framework theoretically allows for either the good or the bad reputation prediction to emerge. Our design additionally varies whether reputation...

We investigate the impact of reputation in a laboratory experiment. We do so by varying whether the past choices of a long-run player are observable by the short-run players. Our framework allows for reputation to have either a beneficial or a harmful effect on the long-run player. We find that...