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Machine learning for evaluating and improving theories 用于评估和改进理论的机器学习
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440959.3440962
FudenbergDrew, LiangAnnie
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引用次数: 1
A general framework for endowment effects in combinatorial markets 组合市场中禀赋效应的一般框架
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440968.3440973
Tomer Ezra, M. Feldman, Ophir Friedler
{"title":"A general framework for endowment effects in combinatorial markets","authors":"Tomer Ezra, M. Feldman, Ophir Friedler","doi":"10.1145/3440968.3440973","DOIUrl":"https://doi.org/10.1145/3440968.3440973","url":null,"abstract":"The endowment effect, coined by Nobel Laureate Richard Thaler, posits that people tend to inflate the value of items they own. Recently, Babaioff, Dobzinski and Oren [EC'18] introduced the notion of endowed valuations --- valuations that capture the endowment effect --- and studied the stability and efficiency of combinatorial markets with endowed valuations. They showed that under a specific formulation of the endowment effect, an endowed equilibrium --- market equilibrium with respect to endowed valuations --- is guaranteed to exist in markets with submodular valuations, but fails to exist under XOS valuations. We harness the endowment effect further by introducing a general framework that captures a wide range of different formulations of the endowment effect. The different formulations are (partially) ranked from weak to strong, based on a stability-preserving order. We then provide algorithms for computing endowment equilibria with high welfare for sufficiently strong endowment effects, and non-existence results for weaker ones. Among other results, we prove the existence of endowment equilibria under XOS valuations, and show that if one can pre-pack items into irrevocable bundles then an endowment equilibrium exists for arbitrary markets.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"38 - 44"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440968.3440973","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47663909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Invitation to participate in the symposium on foundations of responsible computing 邀请参加“负责任计算的基础”研讨会
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440968.3440976
Katrina Ligett
{"title":"Invitation to participate in the symposium on foundations of responsible computing","authors":"Katrina Ligett","doi":"10.1145/3440968.3440976","DOIUrl":"https://doi.org/10.1145/3440968.3440976","url":null,"abstract":"The Symposium on the Foundations of Responsible Computing (FORC), a conference that will be in its second year in 2021, invites participation from the SIGecom community. FORC 2021 will have both an archival publication option, and also the option to submit papers to a non-archival track that welcomes papers that are in submission or have recently appeared at other archival conferences. In particular, papers that appeared at EC 2020 or will be submitted to EC 2021 are welcome in the FORC 2021 non-archival track.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"58 - 59"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440968.3440976","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45146873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editors' introduction 编辑简介
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440959.3440960
Inbal Talgam-Cohen, S. Weinberg
{"title":"Editors' introduction","authors":"Inbal Talgam-Cohen, S. Weinberg","doi":"10.1145/3440959.3440960","DOIUrl":"https://doi.org/10.1145/3440959.3440960","url":null,"abstract":"This issue of SIGecom Exchanges contains a letter from the new SIGecom Diversity and Inclusion Chair, three research letters, two brief book announcements, and a workshop summary.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"1 - 1"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440959.3440960","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49569913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ethical algorithm design 伦理算法设计
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440959.3440966
Michael Kearns, Aaron Roth
{"title":"Ethical algorithm design","authors":"Michael Kearns, Aaron Roth","doi":"10.1145/3440959.3440966","DOIUrl":"https://doi.org/10.1145/3440959.3440966","url":null,"abstract":"In this letter, we summarize the research agenda that we survey in our recent book The Ethical Algorithm, which is intended for a general, nontechnical audience. At a high level, this research agenda proposes formalizing the ethical and social values that we want our algorithms to maintain --- values including privacy, fairness, and explainability --- and then to embed these social values directly into our algorithms as part of their design. This broad research area is most mature in the area of privacy, specifically differential privacy. It is off to a good start in emerging areas like algorithmic fairness, and seems promising for more nebulous goals like explainability, if only we can find the right definitions. Most work in this area to date analyzes algorithms as isolated components, but game-theoretic and economic analysis will become increasingly important as we try and study the effects of algorithmic interventions in larger sociotechnical systems.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"31 - 36"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440959.3440966","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49248188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Report on YoungEC 19 关于YoungEC的报告19
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440959.3440967
Kira Goldner
{"title":"Report on YoungEC 19","authors":"Kira Goldner","doi":"10.1145/3440959.3440967","DOIUrl":"https://doi.org/10.1145/3440959.3440967","url":null,"abstract":"We present a report on the second Young Research Workshop on Economics and Computation (YoungEC 19) held in Tel Aviv, Israel on December 31, 2019--January 2, 2020, highlighting the aspects that make this event unique from other workshops in the community.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"37 - 40"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440959.3440967","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48535417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Algorithmic classification and strategic effort 算法分类和战略努力
IF 1
ACM SIGecom Exchanges Pub Date : 2020-12-02 DOI: 10.1145/3440968.3440974
Manish Raghavan
{"title":"Algorithmic classification and strategic effort","authors":"Manish Raghavan","doi":"10.1145/3440968.3440974","DOIUrl":"https://doi.org/10.1145/3440968.3440974","url":null,"abstract":"In this letter, we summarize our recent work examining the incentives produced by algorithmic decision-making. Drawing upon principal-agent models in the mechanism design literature, we construct and analyze a model of strategic behavior under algorithmic evaluation. We characterize which behaviors can be incentivized by any reasonable mechanism, showing that simple linear mechanisms are sufficient to incentivize desired behavior. However, we find that it is computationally hard to optimize even simple objectives subject to the constraint that the resulting linear mechanism induces the desired incentives.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"45 - 52"},"PeriodicalIF":1.0,"publicationDate":"2020-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440968.3440974","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47201702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Spatio-temporal pricing for ridesharing platforms 拼车平台的时空定价
IF 1
ACM SIGecom Exchanges Pub Date : 2018-01-11 DOI: 10.1145/3440968.3440975
Hongyao Ma, Fei Fang, D. Parkes
{"title":"Spatio-temporal pricing for ridesharing platforms","authors":"Hongyao Ma, Fei Fang, D. Parkes","doi":"10.1145/3440968.3440975","DOIUrl":"https://doi.org/10.1145/3440968.3440975","url":null,"abstract":"Ridesharing platforms match drivers and riders to trips, using dynamic prices to balance supply and demand. A challenge is to set prices that are appropriately smooth in space and time, so that drivers will choose to accept their dispatched trips, rather than drive to another area or wait for higher prices or a better trip. We work in a complete information, discrete time, multi-period, multi-location model, and introduce the Spatio-Temporal Pricing (STP) mechanism. The mechanism is incentive-aligned, in that it is a subgame-perfect equilibrium for drivers to always accept their trip dispatches. The mechanism is also welfare-optimal, envy-free, individually rational, budget balanced and core-selecting in equilibrium from any history onward. The proof of incentive alignment makes use of the M♯ concavity of minimum cost flow objectives. We also give an impossibility result, that there can be no dominant-strategy mechanism with the same economic properties. Simulation results suggest that the STP mechanism can achieve significantly higher social welfare than a myopic pricing mechanism.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"18 1","pages":"53 - 57"},"PeriodicalIF":1.0,"publicationDate":"2018-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/3440968.3440975","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43460368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 97
The long shadow of homeland politics: understanding the evolution of the Turkish radical left in the Netherlands 祖国政治的长期阴影:了解荷兰土耳其激进左翼的演变
IF 1
ACM SIGecom Exchanges Pub Date : 2008-11-01 DOI: 10.4000/REMI.4572
Liza M. Nell
{"title":"The long shadow of homeland politics: understanding the evolution of the Turkish radical left in the Netherlands","authors":"Liza M. Nell","doi":"10.4000/REMI.4572","DOIUrl":"https://doi.org/10.4000/REMI.4572","url":null,"abstract":"Cet article examine l’evolution des liens transnationaux des organisations migrantes avec les partis politiques de la gauche radicale aux Pays-Bas depuis les annees soixante-dix. Il montre la diversite des trajectoires des organisations migrantes orientees de maniere transnationale : certaines perdent leur caractere radical contrairement a d’autres qui le maintiennent. Nombre de facteurs determinent, selon la litterature, l’engagement politique transnational : les raisons a l’origine de la migration, la structure des opportunites politiques dans le pays de residence et dans le pays d’origine et la duree de sejour des migrants. Toutefois ces facteurs ne permettent guere d’expliquer la diversite des trajectoires, puisqu’ils concernent de la meme maniere toute la gauche turque et, des lors, ne peuvent rendre compte des differences a l’interieur de ce courant politique. Les raisons de ces changements sont a chercher ailleurs. L’analyse montre que les organisations migrantes ne deviennent des veritables organisations de migrants que lorsque leur organisation parallele au pays d’origine a pris une option politique qui ne rend plus necessaire un soutien de l’etranger. Au lieu de considerer que les opportunites politiques du pays d’origine concernent tous les groupes, l’on doit s’interroger sur la maniere, dont certains groupes, appartenant parfois au meme courant politique, sont inclus ou exclus de la participation politique dans le pays d’origine. Enfin l’article montre que contrairement a une opinion largement partagee, il n’y a guere d’indications selon lesquelles un interet soutenu dans le devenir politique du pays d’origine est un frein a l’integration politique et constitue une menace pour la democratie aux Pays-Bas.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"47 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75164019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Competition: Theoretical Parameterizations and Empirical Measures 竞争:理论参数化和实证措施
IF 1
ACM SIGecom Exchanges Pub Date : 2008-11-01 DOI: 10.1628/093245608786534640
J. Boone
{"title":"Competition: Theoretical Parameterizations and Empirical Measures","authors":"J. Boone","doi":"10.1628/093245608786534640","DOIUrl":"https://doi.org/10.1628/093245608786534640","url":null,"abstract":"This paper proposes relative profits (RP) as a robust measure of competition. I consider nine different parameterizations of competition and show that more intense competition increases the profits of a firm relative to a less efficient firm. Further, popular competition measures like the price-cost margin (PCM) and Herfindahl index (H) can either increase or decrease in response to more intense competition. In this sense, RP is a more robust competition measure than PCM and H.","PeriodicalId":56237,"journal":{"name":"ACM SIGecom Exchanges","volume":"39 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2008-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76660090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 99
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