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An alternative approach for the panel second stage of data envelopment analysis (DEA) is presented in this paper. Instead of efficiency scores, we propose to model rankings in the second stage using a dynamic ranking model in the score-driven framework. We argue that this approach is suitable to...
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We construct a new family of chance constrained directional models in stochastic data envelopment analysis, generalizing the deterministic directional models and the chance constrained radial models. We prove that chance constrained directional models define the same concept of stochastic...
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Der Umgang mit staatlich verantworteten Menschenrechtsverletzungen in Autokratien stellt die Weltgemeinschaft noch immer vor große Herausforderungen. Weder über militärische (humanitäre) Interventionen, Wirtschaftssanktionen noch über die Variation bei den Entwicklungshilfeleistungen konnte...
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