Under the practice of “digital co-op”, manufacturers subsidize the online advertising expenditures of retailers that they sell their products through, even though retailers typically compete with manufacturers in the advertising market and appropriate a share of the manufacturers' channel...

Channel coordination in search advertising is an important but complicated managerial decision for both manufacturers and retailers. Due to the highly concentrated market of search advertising, a manufacturer's and its retailers' ads can compete instead of complement with each other. We consider...

Using a unique sample of comparable online and in-person loan transactions, we study the determinants of arm's-length and inside lending focusing on the differential information content across debt types. We find that soft private information primarily underlies relationship lending whereas hard...

Second price allpay auctions (wars of attritions) have an evolutionarily stable equilibrium in pure strategies if valuations are private information. I show that for any level of uncertainty there exists a pure deviation strategy close to the equilibrium strategy such that for some valuations...

It is commonly assumed in private value auctions that bidders have no information about the realization of the other bidders' valuations. Nevertheless, an informative public signal about the realization may be released by a bidder while he learns his own valuation. Using a simple discrete...

We examine bidding behaviour of individuals and teams in an experimental auction resembling UMTS-license auctions. Even though in reality teams were largely involved in those auctions, experimental studies on bidding in auctions have so far relied on individual bidders. Our results show that...

We develop econometric models of ascending (English) auctions which allow for both bidder asymmetries as well as common and/or private value components in bidders' underlying valuations We show that the equilibrium inverse bid functions in each round of the auction are implicitly defined...

This paper analyses strategic market allocation by two auctioneers holding substitutes. It characterizes both the cooperative and competitive outcomes. Under cooperation or competition with close substitutes, bidders are allocated according to the expected total surplus each generates. This...

We analyze a drastic price increase in the German auction market for reserve power, which did not appear to be driven by increased costs. Studying the market structure and individual bidding strategies, we find evidence for collusive behavior in an environment with repeated auctions, pivotal...

A distinguishing feature of the ECB's monetary policy setup is the preannouncement of a minimum bid rate in its weekly repo auctions. However, whenever interest rates are expected to decline, the minimum bid rate is viewed as too high and banks refrain from bidding, severely impeding the ECB's...