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Visualizing Efficiency and Reference Relations in Data Envelopment Analysis with an Application to the Branches of a German Bank

Porembski, Marcus; Breitenstein, Kristina; Alpar, Paul - In: Journal of Productivity Analysis 23 (2005) 2, pp. 203-221

The interest in Data Envelopment Analysis (DEA) as a method for analyzing the productivity of homogeneous Decision Making Units (DMUs) has significantly increased in recent years. One of the main goals of DEA is to measure for each DMU its production efficiency relative to the other DMUs under...

Persistent link: https://www.econbiz.de/10010866100

Measuring the Efficiency of Web Site Traffic Generation

Alpar, Paul; Porembski, Marcus; Pickerodt, Sebastian - In: International journal of electronic commerce : IJEC 6 (2001) 1, pp. 53-74

Persistent link: https://www.econbiz.de/10006038176

Visualizing Efficiency and Reference Relations in Data Envelopment Analysis with an Application to the Branches of a German Bank

Porembski, Marcus; Breitenstein, Kristina; Alpar, Paul - In: Journal of productivity analysis 23 (2005) 2, pp. 203-222

Persistent link: https://www.econbiz.de/10007024179

Cutting Planes for Low-Rank-Like Concave Minimization Problems

Porembski, Marcus - In: Operations research : the journal of the Operations … 52 (2004) 6, pp. 942-953

Persistent link: https://www.econbiz.de/10006417484

On the hierarchy of γ-valid cuts in global optimization

Porembski, Marcus - In: Naval research logistics : an international journal 55 (2008) 1, pp. 1-15

Persistent link: https://www.econbiz.de/10007896733

A New Successive Partition Algorithm for Concave Minimization Based on Cone Decomposition and Decomposition Cuts

Porembski, Marcus - In: Journal of global optimization : an international … 29 (2004) 2, pp. 191-224

Persistent link: https://www.econbiz.de/10007152367

Cone Adaptation Strategies for a Finite and Exact Cutting Plane Algorithm for Concave Minimization

Porembski, Marcus - In: Journal of global optimization : an international … 24 (2002) 1, pp. 89

Persistent link: https://www.econbiz.de/10007166160

Finitely convergent cutting planes for concave minimization

Porembski, Marcus - In: Journal of global optimization : an international … 20 (2001) 2, pp. 109-132

Persistent link: https://www.econbiz.de/10007172996

How to Extend the Concept of Convexity Cuts to Derive Deeper Cutting Planes

Porembski, Marcus - In: Journal of global optimization : an international … 15 (1999) 4, pp. 371-404

Persistent link: https://www.econbiz.de/10007182527

Market share analysis and prognosis using qualitative reasoning

Alpar, P.; Dilger, W. - In: Decision support systems : DSS ; the international journal 15 (1995) 2, pp. 133-146

Persistent link: https://www.econbiz.de/10006213193