auctions with no competition. A multiple market model is used to show variation in the number of auctions for the same product … participants is unobserved, when the number of competing auctions is unobserved and when there is observed bidder heterogeneity …

This paper presents assumptions and identification results for eBay type auctions. These results are for private value … auctions covering three major issues; censoring bias, auction heterogeneity and dynamic bidding. The first section of the paper … presents two identification results for second price open call auctions with private values and unobserved participation (eBay …

We present an empirical investigation of the role of marketing agencies in Google's online ad auctions. By combining … data on advertisers' affiliation to marketing agencies with data on bidding in ad auctions, we analyze how changes in the …

In Buy-It-Now (BIN, hereafter) auctions, sellers can make a "take-it-or-leave-it" price offer (BIN price) prior to an … to auction prices substantially below those expected in second-price auctions. Our results reveal that the observed price … BIN prices to eBay auctions has an enhancing effect: the eBay BIN auction is more efficient and generates significantly …

We investigate experimentally on eBay how sellers set prices in "Buy-It-Now" (BIN) auctions. We find that the eBay … format leads to prices substantially below those expected in second-price auctions. Moreover, our results reveal that the …

Because of discrete bid increments, bidders at electronic auctions engage in shading instead of revealing their …

Researchers and experts have typically viewed electronic auctions (such as those implemented by eBay, Amazon, and Yahoo …!) as either oral, ascending-price (English) auctions or second-price, sealed-bid (Vickrey) auctions. I show that … electronic auctions. In addition, in a static model, within the symmetric independent private-values (IPV) paradigm, I derive the …

In this paper we undertake an empirical study of advertising in an online auctions market, or, more precisely …

experiment to study seller behavior in online auctions with a Buy-It-Now feature, where early potential bidders have the … invited eBay buyers and sellers into the lab to participate in a series of auctions on the eBay platform. We investigate how …

We study auctions in which the number of potential bidders is large, such as in Internet auctions. With numerous … Internet auctions. …