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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

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

Potential Gains from Mergers in Local Public Transport : An Efficiency Analysis Applied to Germany

Walter, Matthias; Cullmann, Astrid - 2009

Persistent link: https://www.econbiz.de/10014206812

Efficiency and Competition in Public Transport

Walter, Matthias - 2010

Persistent link: https://www.econbiz.de/10003935386

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

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

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

Cost efficiency and subsidization in German local public bus transit

Nieswand, Maria; Walter, Matthias - 2013

Persistent link: https://www.econbiz.de/10009723133

Factors affecting tender prices in local bus transport : evidence from Germany

Beck, Arne; Walter, Matthias - In: Journal of transport economics and policy 47 (2013) 2, pp. 265-278

Persistent link: https://www.econbiz.de/10009761973

Tender prices in local bus transport in Germany : an application of alternative regression techniques

Beck, Arne; Walter, Matthias - 2010

Competitive tendering of local bus services in Germany has received increased attention. Employing Seemingly Unrelated Regression analyses, we observe that prices have regionally varying determinants; for example, while prices throughout most of the federal state of Hesse increase over time,...

Persistent link: https://www.econbiz.de/10008758445