Author: Emiel Maasland
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 24

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Author: Emiel Maasland
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 0

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Author: Emiel Maasland
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Emiel Maasland
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Paul Milgrom
Publisher: Columbia University Press
ISBN: 023154457X
Category : Business & Economics
Languages : en
Pages : 222

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Traditional economic theory studies idealized markets in which prices alone can guide efficient allocation, with no need for central organization. Such models build from Adam Smith’s famous concept of an invisible hand, which guides markets and renders regulation or interference largely unnecessary. Yet for many markets, prices alone are not enough to guide feasible and efficient outcomes, and regulation alone is not enough, either. Consider air traffic control at major airports. While prices could encourage airlines to take off and land at less congested times, prices alone do just part of the job; an air traffic control system is still indispensable to avoid disastrous consequences. With just an air traffic controller, however, limited resources can be wasted or poorly used. What’s needed in this and many other real-world cases is an auction system that can effectively reveal prices while still maintaining enough direct control to ensure that complex constraints are satisfied. In Discovering Prices, Paul Milgrom—the world’s most frequently cited academic expert on auction design—describes how auctions can be used to discover prices and guide efficient resource allocations, even when resources are diverse, constraints are critical, and market-clearing prices may not even exist. Economists have long understood that externalities and market power both necessitate market organization. In this book, Milgrom introduces complex constraints as another reason for market design. Both lively and technical, Milgrom roots his new theories in real-world examples (including the ambitious U.S. incentive auction of radio frequencies, whose design he led) and provides economists with crucial new tools for dealing with the world’s growing complex resource-allocation problems.

Author: Chulyoung Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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We consider a scenario where a single indivisible object is auctioned off to three bidders and among the three bidders there is one bidder whose winning imposes a positive or negative externality on the other two bidders. We theoretically and experimentally compare two standard sealed-bid auction formats, first-price and second-price auctions, under complete information. Using a refinement of undominated Nash equilibria, we analyze equilibrium bids and outcomes in the two auction formats. Our experimental results show that overbidding relative to equilibrium bids is prevalent, especially in second-price auctions, and this leads to higher revenue and lower efficiency in second- price auctions than in first-price auctions, especially under negative externalities. Our results are consistent with previous experimental findings that bidders tend to overbid more in second-price auctions than in first-price auctions, and they suggest that such a tendency is robust to the introduction of externalities.

Author: Philippe Jehiel
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 66

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Author: Philippe Jehiel
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 62

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Author: Youxin Hu
Publisher:
ISBN:
Category : Consumer behavior
Languages : en
Pages : 104

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Abstract: Standard literature on auctions considers isolated markets with bidders that are ex ante identical and independent. My dissertation research considers the behavior of bidders and sellers when they take into account other auctions and bidders' relative roles outside of a given auction. I further extend this investigation through classroom experiments. In the first chapter, I study bidders' optimal strategies under negative externalities (i.e., the auction may incur losses (instead of zero payoffs) to the losing bidders). I construct a model of auction with three bidders. One bidder is special in the sense that if he wins, both of the other bidders will incur a loss; the other two bidders are regular in the sense that as in a traditional auction, if one of them wins, the losing bidders will receive zero payoffs. Intuitively one expects regular bidders to bid more aggressively than normal to avoid the loss. However, I find that in an ascending clock auction, in equilibrium regular bidders bid less aggressively and quit before reaching their private values. This occurs because a regular bidder may have to bid above his value in order to win against the special bidder and thus risks negative profit by bidding aggressively. Since both regular bidders avoid the externality if either wins, there is a free riding incentive. Despite free riding, in most cases the clock auction is ex post efficient However, in first-price sealed bid auctions free riding and aggressive bidding incentives are simultaneous, so ex post efficiency is less frequent. I also conducted classroom experiments which suggest that bidders more often exhibit aggressive bidding rather than free riding in an ascending clock auction; furthermore, I show that in first-price sealed bid auctions, regular bidders bid more aggressively than the special bidder, indicating aggressive bidding incentives dominate free riding incentives. In the second chapter, I construct an auction model in which both number of bidders and sellers' reserve prices are endogenously determined, and estimate the value distribution among eBay bidders. I assume each bidder has a choice of auctions with different reserve prices and other auction specific factors (seller's reputation, shipping cost, auction duration, etc.). I show that in equilibrium, 1) each bidder must be indifferent to entry in any auction, and 2) each seller's reserve price must maximize expected revenue given auction structure and bidder entry behavior, which jointly determines the equilibrium number of bidders in each auction. Few theoretical works have been done to find the positive optimal reserve price when the number of bidder is endogenous. And previous empirical work usually uses observed bids to estimate bidders' value distribution and take sellers' choice (e.g., reserve prices) as exogenous. Based on the equilibrium relationship described above, my model allows estimation of bidders' value distribution not only from observed bids, but also from the number of bidders and reserve prices. To apply this structural estimation method, I use eBay digital camera auction data to estimate bidders' value distribution from bid observations and reserve prices.

Author: Onur A. Koska
Publisher:
ISBN:
Category :
Languages : en
Pages :

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