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| 2010
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1
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Discrete strategies in keyword auctions and their inefficiency for locally aware bidders
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December 2010
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WINE'10: Proceedings of the 6th international conference on Internet and network economics
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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We study formally discrete bidding strategies for the game induced by the Generalized Second Price keyword auction mechanism. Such strategies have seen experimental evaluation in the recent literature as parts of iterative best response procedures, which ...
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2
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Coalition formation and price of anarchy in cournot oligopolies
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December 2010
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WINE'10: Proceedings of the 6th international conference on Internet and network economics
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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Non-cooperative game theory purports that economic agents behave with little regard towards the negative externalities they impose on each other. Such behaviors generally lead to inefficient outcomes where the social welfare is bounded away from its ...
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3
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Cooperative games with overlapping coalitions
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September 2010
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Journal of Artificial Intelligence Research
, Volume 39 Issue 1
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Publisher: AI Access Foundation
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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In the usual models of cooperative game theory, the outcome of a coalition formation process is either the grand coalition or a coalition structure that consists of disjoint coalitions. However, in many domains where coalitions are associated with tasks, ...
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4
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Approximating power indices: theoretical and empirical analysis
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March 2010
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Autonomous Agents and Multi-Agent Systems
, Volume 20 Issue 2
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Publisher: Kluwer Academic Publishers
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 3 |
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Many multiagent domains where cooperation among agents is crucial to achieving a common goal can be modeled as coalitional games. However, in many of these domains, agents are unequal in their power to affect the outcome of the game. Prior research on ...
Keywords: Banzhaf power index, Coalitional games, Power index, Power index approximation, Power indices, Shapley value, Shapley---Shubik power index
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5
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New algorithms for approximate Nash equilibria in bimatrix games
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January 2010
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Theoretical Computer Science
, Volume 411 Issue 1
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Publisher: Elsevier Science Publishers Ltd.
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 1 |
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We consider the problem of computing additively approximate Nash equilibria in non-cooperative two-player games. We provide a new polynomial time algorithm that achieves an approximation guarantee of 0.36392. We first provide a simpler algorithm, that ...
Keywords: Approximate Nash equilibria, Noncooperative games
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| 2009
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6
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Sequential Bidding in the Bailey-Cavallo Mechanism
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December 2009
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WINE '09: Proceedings of the 5th International Workshop on Internet and Network Economics
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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We are interested in mechanisms that maximize social welfare. In [2] this problem was studied for multi-unit auctions and for public project problems, and in each case social welfare undominated mechanisms were identified. One way to improve upon these ...
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7
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Externalities in Keyword Auctions: An Empirical and Theoretical Assessment
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December 2009
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WINE '09: Proceedings of the 5th International Workshop on Internet and Network Economics
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 2 |
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The value of acquiring a slot in a sponsored search list (that comes along with the organic links in a search engine's result page) might depend on who else is shown in the other sponsored positions. To empirically evaluate this claim, we develop a model ...
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8
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Stability of overlapping coalitions
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July 2009
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SIGecom Exchanges
, Volume 8 Issue 1
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Publisher: ACM
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Full text available: |
 Pdf
(133.77 KB)
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| Bibliometrics: Downloads (6 Weeks): 1, Downloads (12 Months): 17, Citation Count: 0 |
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Keywords: coalition formation, economics, theory
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9
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Optimal strategies in sequential bidding
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May 2009
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AAMAS '09: Proceedings of The 8th International Conference on Autonomous Agents and Multiagent Systems - Volume 2
, Volume 2
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Publisher: International Foundation for Autonomous Agents and Multiagent Systems
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Full text available: |
Pdf
(168.05 KB)
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| Bibliometrics: Downloads (6 Weeks): 0, Downloads (12 Months): 19, Citation Count: 1 |
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We are interested in mechanisms that maximize the final social welfare. In [1] this problem was studied for multi-unit auctions with unit demand bidders and for the public project problem, and in each case social welfare undominated mechanisms in the ...
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10
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On the Fourier spectrum of symmetric Boolean functions
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May 2009
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Combinatorica
, Volume 29 Issue 3
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Publisher: Springer-Verlag New York, Inc.
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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We study the following question What is the smallest t such that every symmetric boolean function on κ variables (which is not a constant or a parity function), has a non-zero Fourier coefficient of order at least 1 and at most t? ...
Keywords: 68Q32
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