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Ground Delay Program Planning under Uncertainty Based on the Ration-by-Distance Principle 不确定条件下基于距离分配原则的地面时延规划
Transportation Science eJournal Pub Date : 2007-10-25 DOI: 10.2139/ssrn.1127670
M. Ball, R. Hoffman, A. Mukherjee
{"title":"Ground Delay Program Planning under Uncertainty Based on the Ration-by-Distance Principle","authors":"M. Ball, R. Hoffman, A. Mukherjee","doi":"10.2139/ssrn.1127670","DOIUrl":"https://doi.org/10.2139/ssrn.1127670","url":null,"abstract":"This paper presents ration-by-distance (RBD), a new allocation method to be used in planning ground delay programs (GDPs) for traffic flow management. It is shown that RBD minimizes total expected delay, under certain assumptions related to the manner in which GDPs are dynamically controlled. On the other hand, RBD taken to the extreme has poor characteristics with respect to the equity of the allocation it produces. To address this issue, we propose a constrained version of RBD as a practical alternative to allocation procedures used in operations today. It is shown that this algorithm has superior overall performance in terms of efficiency and equity relative to existing procedures.","PeriodicalId":432405,"journal":{"name":"Transportation Science eJournal","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125101006","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
Merchant Electricity Transmission Expansion: A European Case Study 商业电力传输扩张:欧洲案例研究
Transportation Science eJournal Pub Date : 2007-06-10 DOI: 10.2139/ssrn.1641029
T. Kristiansen, Juan Rosellón
{"title":"Merchant Electricity Transmission Expansion: A European Case Study","authors":"T. Kristiansen, Juan Rosellón","doi":"10.2139/ssrn.1641029","DOIUrl":"https://doi.org/10.2139/ssrn.1641029","url":null,"abstract":"We apply a merchant transmission model to the trilateral market coupling (TLC) arrangement among the Netherlands, Belgium and France as a generic example, and note that it can be applied to any general market splitting or coupling of Europe's different national power markets. In this merchant framework; the system operator allocates financial transmission rights (FTRs) to investors in transmission expansion based upon their preferences, and revenue adequacy. The independent system operator (ISO) preserves some proxy FTRs to deal with potential negative externalities due to an expansion project. This scheme proves to be capable in providing incentives for investment in transmission expansion projects within TLC areas.","PeriodicalId":432405,"journal":{"name":"Transportation Science eJournal","volume":"325 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132798083","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: 43
Effectiveness of Learning Transportation Network Growth through Simulation 通过仿真学习交通网络增长的有效性
Transportation Science eJournal Pub Date : 1900-01-01 DOI: 10.1061/(ASCE)1052-3928(2006)132:1(29)
Wenling Chen, D. Levinson
{"title":"Effectiveness of Learning Transportation Network Growth through Simulation","authors":"Wenling Chen, D. Levinson","doi":"10.1061/(ASCE)1052-3928(2006)132:1(29)","DOIUrl":"https://doi.org/10.1061/(ASCE)1052-3928(2006)132:1(29)","url":null,"abstract":"Computer simulation plays an increasingly important role in engineering education as a tool for enhancing classroom learning. This research investigates the efficacy of using simulation in teaching the topic of transportation network growth through an experiment conducted at the Civil Engineering Department of the University of Minnesota. In the experiment, a network growth simulator program (SONG) was incorporated into a senior/graduate class in transportation system analysis. Results of the experiment show that the use of SONG effectively enhanced students' learning in terms of helping students develop in-depth understanding about the development process of network patterns, and helped them develop some aspects of judgment, problem-solving, and decision-making skills. However the use of SONG may have been more effective had some other barriers to learning been overcome.","PeriodicalId":432405,"journal":{"name":"Transportation Science eJournal","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133671329","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: 45
A Gravity Equation for Commuting 通勤的重力方程
Transportation Science eJournal Pub Date : 1900-01-01 DOI: 10.2139/ssrn.2285810
D. Persyn, Wouter Torfs
{"title":"A Gravity Equation for Commuting","authors":"D. Persyn, Wouter Torfs","doi":"10.2139/ssrn.2285810","DOIUrl":"https://doi.org/10.2139/ssrn.2285810","url":null,"abstract":"This paper derives a gravity equation for commuter flows from a simple spatial labor market model, and uses it to identify the effect of regional borders on commuting. This structural approach allows us to identify the relevant control variables and sources of potential omitted variable bias. The model is estimated by means of a negative binomial regression using Belgian data on intermunicipality commuting. We find that regional borders exert a sizable residual deterrent effect on commuting. This border-effect differs significantly between regions and depends on the direction in which the border is crossed.","PeriodicalId":432405,"journal":{"name":"Transportation Science eJournal","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130394549","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: 6
FC Bayern München Goes Social - The Value of Social Media for Professional Sports Clubs. 拜仁足球俱乐部<e:1>走向社交——社交媒体对职业体育俱乐部的价值。
Transportation Science eJournal Pub Date : 1900-01-01 DOI: 10.2139/ssrn.2959258
J. Leimeister, Matthias Söllner, W. Brenner
{"title":"FC Bayern München Goes Social - The Value of Social Media for Professional Sports Clubs.","authors":"J. Leimeister, Matthias Söllner, W. Brenner","doi":"10.2139/ssrn.2959258","DOIUrl":"https://doi.org/10.2139/ssrn.2959258","url":null,"abstract":"In 2010, FC Bayern München (FCB), one of the world’s most successful football clubs, had just finished a successful season from a commercial perspective as well as on the field. With regard to its digital service portfolio, FCB had successfully established its digital content distribution and an e-commerce platform. However, the club seemed to have missed one major trend: the rise of social media. European competitors were already attracting large crowds on Facebook. The management was unsure about how social media would contribute to the digital strategy. In this teaching case, students need to prepare materials for a board meeting in June 2010, in which the digital road map for the upcoming season has to be decided upon. Furthermore, they are supposed to reflect on FCB’s evolution from today’s perspective. This teaching case helps understand how value can be generated through the use of social media. Additionally, it illustrates how social media enriches content distribution and how it contributes to fan loyalty.","PeriodicalId":432405,"journal":{"name":"Transportation Science eJournal","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134021684","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
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