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Author: Song Yao
Publisher: Now Publishers Inc
ISBN: 1601982283
Category : Brand loyalty
Languages : en
Pages : 66
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Book Description
Sponsored Search Auctions reviews current academic research on this nascent topic with a focus on future practical and research opportunities
Author: Song Yao
Publisher: Now Publishers Inc
ISBN: 1601982283
Category : Brand loyalty
Languages : en
Pages : 66
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Book Description
Sponsored Search Auctions reviews current academic research on this nascent topic with a focus on future practical and research opportunities
Author: Christos Papadimitriou
Publisher: Springer
ISBN: 3540921850
Category : Computers
Languages : en
Pages : 748
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Book Description
This book constitutes the refereed proceedings of the 4th International Workshop on Internet and Network Economics, WINE 2008, held in Shanghai, China, in December 2008. The 68 revised full papers presented together with 10 invited talks were carefully reviewed and selected from 126 submissions. The papers are organized in topical sections on market equilibrium, congestion games, information markets, nash equilibrium, network games, solution concepts, algorithms and optimization, mechanism design, equilibrium, online advertisement, sponsored search auctions, and voting problems.
Author: Yanwu Yang
Publisher: Elsevier
ISBN: 0124115047
Category : Computers
Languages : en
Pages : 213
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Book Description
The Intelligent Systems Series publishes reference works and handbooks in three core sub-topic areas: Intelligent Automation, Intelligent Transportation Systems, and Intelligent Computing. They include theoretical studies, design methods, and real-world implementations and applications. The series' readership is broad, but focuses on engineering, electronics, and computer science. Budget constraints and optimization in sponsored search auctions takes into account consideration of the entire life cycle of campaigns for researchers and developers working on search systems and ROI maximization. The highly experienced authors compiled their knowledge and experience to provide insight, algorithms and development techniques for successful optimized/constrained systems. The book presents a cutting-edge budget optimization approach that embraces three-level budget decisions in the life cycle of search auctions: allocation across markets at the system level, distribution over temporal slots at the campaign level, and real-time adjustment at the keyword level. Delivers a systematic overview and technique for understanding budget constraints and ROI optimization in sponsored search auction systems, including algorithms and developer guides for a range of scenarios Explores effects of constraints on mechanisms, bidding and keyword strategies, and the strategies for budget optimization that developers can employ An informative reference source for both software and systems developers working in the search auctions, marketing and sales strategy optimization, services development for online marketing and advertisement, e-commerce, social and economic networking
Author: Kinshuk Jerath
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Book Description
As sponsored search becomes increasingly important as an advertising medium for firms, search engines are exploring more advanced bidding and ranking mechanisms to increase their revenue from auctions for sponsored search advertising. For instance, Google, Yahoo! and Bing are experimenting with auction mechanisms in which each advertiser can bid to be displayed exclusively. In such an auction, each advertiser submits two bids: one bid for the standard display format in which multiple advertisers are displayed, and one bid for being shown exclusively. The search engine decides the outcome as non-exclusive or exclusive based on revenue generated -- if the exclusive-placement bid by an advertiser is high enough then only that advertiser is displayed, otherwise multiple advertisers are displayed and ranked based on their multiple-placement bids. We find that allowing advertisers to bid for exclusivity has two countervailing effects for search engine revenue. First, competition is heightened because bidders can express their display preferences more flexibly and compete not only for positions in the non-exclusive outcome but also compete for the outcome to be exclusive or non-exclusive; this is good for search engine revenue. Second, competition between non-exclusive and exclusive outcomes gives bidders the incentive to reduce their bids for their non- preferred outcome; this is bad for search engine revenue. Under different parametric conditions, either force can prevail and search engine revenue may increase or decrease accordingly. We also find counterintuitive results on the bidding strategies of advertisers; for instance, we find that, under certain conditions, advertisers have the incentive to bid above their true valuations.
Author: David Easley
Publisher: Cambridge University Press
ISBN: 1139490303
Category : Computers
Languages : en
Pages : 745
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Book Description
Are all film stars linked to Kevin Bacon? Why do the stock markets rise and fall sharply on the strength of a vague rumour? How does gossip spread so quickly? Are we all related through six degrees of separation? There is a growing awareness of the complex networks that pervade modern society. We see them in the rapid growth of the internet, the ease of global communication, the swift spread of news and information, and in the way epidemics and financial crises develop with startling speed and intensity. This introductory book on the new science of networks takes an interdisciplinary approach, using economics, sociology, computing, information science and applied mathematics to address fundamental questions about the links that connect us, and the ways that our decisions can have consequences for others.
Author: Prabirendra Chatterjee
Publisher:
ISBN:
Category : Internet advertising
Languages : en
Pages : 102
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Book Description
In this dissertation, I model generalized second price (GSP) auction for keyword search to analyze the optimal bidding strategies of the participating advertisers. The results also apply to a more general setting where multiple goods are being auctioned off. The study in chapter 3 examines the bidding strategies of the advertisers in a complete information static GSP auction. The results show that unlike in standard second price auction, truthful bidding is never a dominant strategy in general second price auction. In chapter 4, I have developed a model of static incomplete information GSP auction. I characterize all possible pure strategy Bayes-Nash equilibrium of the game and show that the consideration of the click through rates ratio plays a key role in determining the equilibrium bidding strategies for the advertisers. Specifically, I find that when the click through rates ratio exceeds a critical value, there will be no pure strategy Bayes-Nash equilibrium. The analysis also reveals that in a game of static incomplete information no asymmetric bidding equilibrium would prevail. The study in chapter 5 analyzes a model of incomplete information dynamic GSP auction. I find that in a dynamic game, the existence of both separating strategy equilibrium and pooling strategy equilibrium would depend upon critical values of click through rates ratio. I also prove that the advertisers with high valuation for a keyword will either reveal their identities at the very beginning or at the very end of this dynamic game. The results also show that when search engines do not publish the bidding history (i.e. there is 'minimum disclosure of information'), the advertisers will never try to mimic each other or in other words, there will be no pooling strategy equilibrium.
Author: Paul R. Milgrom
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A simplified mechanism is a direct mechanism modified by restricting the set of reports or bids. An example is the auction used to place ads on Internet search pages, in which each advertiser bids a single price to determine the allocation of eight or more ad positions on a page. If a simplified mechanism satisfies the quot;best-reply-closurequot; property, then all Nash equilibria of the simplified mechanism are also equilibria of the original direct mechanism. For search advertising auctions, suitable simplifications eliminate inefficient, low-revenue equilibria that are favored in the original direct mechanism when bidding costs are positive.
Author: Massimo Motta
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 38
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Book Description
We investigate the market effects of brand search advertising, within a model where two firms simultaneously choose the price of their (differentiated) product and the bids for the advertising auction which is triggered by own and rival's brand keywords search; and where there exist sophisticated/attentive consumers (who look for any available information on their screen) and naive/inattentive consumers (who only look at the top link of their screen), both aware of either brand's characteristics and price. Relative to a benchmark where only organic search exists, in any symmetric equilibrium each firm wins its own brand auction, and advertising has detrimental effects on welfare: (i) the sponsored link crowds out the rival's organic link, thus reducing competition and choice, and leading to price increases; (ii) the payment of the rival's bid (may) raise marginal cost, also contributing to raise market prices. Under extreme asymmetry (there is an incumbent and an unknown new entrant), we do find that the market effect of brand bidding might be beneficial, if the search engine does not list the entrant's link in organic search, and the share of the sophisticated consumers in the economy is large enough for an equilibrium in which the entrant wins the advertising auction on the search for the incumbent's brand to exist.
Author: Francesco Decarolis
Publisher:
ISBN:
Category : Auctions
Languages : en
Pages : 0
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Book Description
Bid delegation to specialized intermediaries is common in the auction systems used to sell internet advertising. When the same intermediary concentrates the demand for ad space from competing advertisers, its incentive to coordinate client bids might alter the functioning of the auctions. This study develops a methodology to detect bid coordination, and presents a strategy to estimate a bound on the search engine revenue losses imposed by coordination relative to a counterfactual benchmark of competitive bidding. Using proprietary data from auctions held on a major search engine, coordination is detected in 55 percent of the cases of delegated bidding that we observed, and the associated upper bound on the search engine’s revenue loss ranges between 5.3 and 10.4 percent.
Author: Francesco Decarolis
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
As auctions are becoming the main mechanism for selling advertisement space on the web, marketing agencies specialized in bidding in online auctions are proliferating. We analyze theoretically how bidding delegation to a common marketing agency can undermine both revenues and efficiency of the generalized second price auction, the format used by Google and Microsoft-Yahoo!. Our characterization allows us to quantify the revenue losses relative to both the case of full competition and the case of agency bidding under an alternative auction format (specifically, the VCG mechanism). We propose a simple algorithm that a search engine can use to reduce efficiency and revenue losses.
