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Potential gains from mergers in local public transport : an efficiency analysis applied to Germany
Walter, Matthias (contributor); Cullmann, Astrid (contributor) - 2008
We analyze potential gains from hypothetical mergers in local public transport using the non-parametric Data Envelopment Analysis with bias corrections by means of bootstrapping. Our sample consists of 41 public transport companies from Germany's most densely populated region, North...
Persistent link: https://www.econbiz.de/10003779633
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Ermittlung möglicher Fusionseffekte im ÖPNV : eine Effizienzanalyse für Nordrhein-Westfalen
Hirschhausen, Christian R. von; Cullmann, Astrid; … - In: Internationales Verkehrswesen 60 (2008) 12, pp. 490-494
Persistent link: https://www.econbiz.de/10003783103
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Potential Gains from Mergers in Local Public Transport : An Efficiency Analysis Applied to Germany
Walter, Matthias; Cullmann, Astrid - 2009
We analyze potential gains from hypothetical mergers in local public transport using the non-parametric Data Envelopment Analysis with bias corrections by means of bootstrapping. Our sample consists of 41 public transport companies from Germany's most densely populated region, North...
Persistent link: https://www.econbiz.de/10014206812
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Efficiency and Competition in Public Transport
Walter, Matthias - 2010
Persistent link: https://www.econbiz.de/10003935386
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Some determinants of cost efficiency in German public transport
Walter, Matthias - In: Journal of transport economics and policy 45 (2011) 1, pp. 1-20
Persistent link: https://www.econbiz.de/10009130756
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Recognizing series-parallel matrices in linear time
Walter, Matthias - In: INFORMS journal on computing : JOC ; charting new … 35 (2023) 6, pp. 1404-1418
Persistent link: https://www.econbiz.de/10014471525
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The Graphical Traveling Salesperson Problem has no integer programming formulation in the original space
Walter, Matthias - In: Operations research letters 49 (2021) 4, pp. 623-624
Persistent link: https://www.econbiz.de/10012649050
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Minimizing average project team size given multi-skilled workers with heterogeneous skill levels
Walter, Matthias; Zimmermann, Jürgen - In: Computers & operations research : and their … 70 (2016), pp. 163-179
Persistent link: https://www.econbiz.de/10011450271
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Extended formulations for radial cones
Walter, Matthias; Weltge, Stefan - In: Operations research letters 47 (2019) 5, pp. 458-463
Persistent link: https://www.econbiz.de/10012110614
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Subgraph polytopes and independence polytopes of count matroids
Conforti, Michele; Kaibel, Volker; Walter, Matthias; … - In: Operations research letters 43 (2015) 5, pp. 457-460
Persistent link: https://www.econbiz.de/10011386433