Risk Management For Combinatorial Auctions
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Risk Management For Combinatorial Auctions
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Author : Alan Holland
language : en
Publisher:
Release Date : 2005
Risk Management For Combinatorial Auctions written by Alan Holland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Auctions categories.
Auction theory has traditionally regarded bids in auctions as enforceable commitments. We relax this important, yet often incorrect, assumption that is common to almost all prior literature on the subject. This work addresses the possibility of winning bids being withdrawn, or reneged upon, before a transaction is completed successfully. In particular, we examine the significance of winning-bid withdrawal in a combinatorial auction setting. We find that it may be difficult or even impossible for the bid-taker to find a repair solution of adequate revenue without causing undue disturbance to the remaining winning bids in the allocation. We have called this the bid-taker{u2019}s exposure problem and we also show that it is exacerbated for a risk averse bid-taker. It is preferable for the bid-taker to pre-empt uncertainty by choosing a solution that is robust to bid-withdrawal and provides a guarantee that possible with-drawls may be repaired easily with a bounded loss in revenue. We discuss the computational difficulties posed by risk management and investigate a constraint programming approach to tackling the problem. We also analyze the drawbacks of this approach and motivate useful extensions to the framework. We then propose a new framework that facilitates solution robustness for constraint programs in a wide range of settings. We briefly demonstrate its versatility with an application to job-shop scheduling. We then apply this new framework to combinatorial auctions in order to investigate the trade-off between robustness and revenue. We also introduce a new auction model that improves solution reparability by facilitating backtracking on winning bids by the bid-taker. We demonstrate experimentally that fewer winning bids partake in robust solutions, thereby reducing any associated overhead in dealing with extra bidders. Finally, we consider the case in which the bid-taker wishes to optimize some social objective, thereby necessitating truthful bidding. We have provided some impossibility results pertaining to truthful mechanism design that incorporate robust solutions. However, we also propose a means of circumventing this problem for restricted class of combinatorial auctions. We develop an approximate allocation algorithm that incentivizes truthful bidding whilst attaining an allocation that minimizes the risk of revenue loss in the event of a winning bid being withdrawn.
A Risk Management Tool For Combinatorial Auctions
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Author : Lynne Cosgrave
language : en
Publisher:
Release Date : 2006
A Risk Management Tool For Combinatorial Auctions written by Lynne Cosgrave and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Auctions categories.
Risk Free Profit In Item Bidding Combinatorial Auctions
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Author : Gautam Rayaprolu
language : en
Publisher:
Release Date : 2019
Risk Free Profit In Item Bidding Combinatorial Auctions written by Gautam Rayaprolu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
"Sequential and Simultaneous auctions are two well studied and commonly used auction formats. There have been a spate of results on the efficiency of equilibria in these games. Equilibria in these auctions are in general hard to compute, so it is unreasonable to expect that they will be attained. Instead, we introduce and consider a natural notion of \textit{risk free profitability} in these auctions. In the case of sequential auctions, we present a simple strategy which is optimal for Bidders with an XOS valuation. We also a demonstrate a strategy that is near optimal for a Bidder with a sub additive valuation over identical items. These results hold for both the first and second price setting. We demonstrate a quantitative difference between first and second price simultaneous auctions. We also show that the risk free profitability of simultaneous auctions is strictly greater than that of sequential auctions"--
Digital Human Modeling Applications In Health Safety Ergonomics And Risk Management Ergonomics And Design
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Author : Vincent G. Duffy
language : en
Publisher: Springer
Release Date : 2017-06-28
Digital Human Modeling Applications In Health Safety Ergonomics And Risk Management Ergonomics And Design written by Vincent G. Duffy and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-28 with Computers categories.
The two-volume set LNCS 10286 + 10287 constitutes the refereed proceedings of the 8th International Conference on Digital Human Modeling and Applications in Health, Safety, Ergonomics, and Risk Management, DHM 2017, held as part of HCI International 2017 in Vancouver, BC, Canada. HCII 2017 received a total of 4340 submissions, of which 1228 papers were accepted for publication after a careful reviewing process. The 75 papers presented in these volumes were organized in topical sections as follows: Part I: anthropometry, ergonomics, design and comfort; human body and motion modelling; smart human-centered service system design; and human-robot interaction. Part II: clinical and health information systems; health and aging; health data analytics and visualization; and design for safety.
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Author :
language : en
Publisher: IOS Press
Release Date :
written by and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Combinatorial Auctions
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Author : Sven de Vries
language : en
Publisher:
Release Date : 2000
Combinatorial Auctions written by Sven de Vries and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Auctions categories.
Dynamic Alliance Auctions
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Author : Tobias Ihde
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Dynamic Alliance Auctions written by Tobias Ihde and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
An introduction to the new auction format known as ‘Dynamic Alliance Auctions’ which has been developed for Internet-based transportation marketplaces. The format allows for a packagewise placement of transportation orders even if these orders stem from different shippers. This, in turn, increases utilization of truck capacity and reduces risk for carriers. It also results in bringing down transportation prices without shrinking margins. After examining the landscape of Internet-based transportation marketplaces, the book identifies vital characteristics and needs of transportation business. The book shows how Dynamic Alliance Auctions combine ideas of matching theory, auctions and bargaining to fit these needs. Finally, the performance of this auction format is investigated analytically and experimentally using a modified private-value framework and different informational settings.
Ecai 2006
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Author : G. Brewka
language : en
Publisher: IOS Press
Release Date : 2006-08-10
Ecai 2006 written by G. Brewka and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-10 with Computers categories.
In the summer of 1956, John McCarthy organized the famous Dartmouth Conference which is now commonly viewed as the founding event for the field of Artificial Intelligence. During the last 50 years, AI has seen a tremendous development and is now a well-established scientific discipline all over the world. Also in Europe AI is in excellent shape, as witnessed by the large number of high quality papers in this publication. In comparison with ECAI 2004, there’s a strong increase in the relative number of submissions from Distributed AI / Agents and Cognitive Modelling. Knowledge Representation & Reasoning is traditionally strong in Europe and remains the biggest area of ECAI-06. One reason the figures for Case-Based Reasoning are rather low is that much of the high quality work in this area has found its way into prestigious applications and is thus represented under the heading of PAIS.
Essays On Time Preference And Combinatorial Auctions
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Author : Kan Takeuchi
language : en
Publisher:
Release Date : 2007
Essays On Time Preference And Combinatorial Auctions written by Kan Takeuchi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Financial Risk Management With Bayesian Estimation Of Garch Models
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Author : David Ardia
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-05-08
Financial Risk Management With Bayesian Estimation Of Garch Models written by David Ardia and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-05-08 with Business & Economics categories.
This book presents in detail methodologies for the Bayesian estimation of sing- regime and regime-switching GARCH models. These models are widespread and essential tools in n ancial econometrics and have, until recently, mainly been estimated using the classical Maximum Likelihood technique. As this study aims to demonstrate, the Bayesian approach o ers an attractive alternative which enables small sample results, robust estimation, model discrimination and probabilistic statements on nonlinear functions of the model parameters. The author is indebted to numerous individuals for help in the preparation of this study. Primarily, I owe a great debt to Prof. Dr. Philippe J. Deschamps who inspired me to study Bayesian econometrics, suggested the subject, guided me under his supervision and encouraged my research. I would also like to thank Prof. Dr. Martin Wallmeier and my colleagues of the Department of Quantitative Economics, in particular Michael Beer, Roberto Cerratti and Gilles Kaltenrieder, for their useful comments and discussions. I am very indebted to my friends Carlos Ord as Criado, Julien A. Straubhaar, J er ^ ome Ph. A. Taillard and Mathieu Vuilleumier, for their support in the elds of economics, mathematics and statistics. Thanks also to my friend Kevin Barnes who helped with my English in this work. Finally, I am greatly indebted to my parents and grandparents for their support and encouragement while I was struggling with the writing of this thesis.