DDα-classification of asymmetric and fat-tailed data (with Tatjana Lange and Pavlo Mozharovskyi)
Proceedings of the 36th Annual Conference of the German Classification Society on “Data Analysis, Machine Learning and Knowledge Discovery”, Hildesheim, 1-3 August 2012. [Full Paper as .PDF]

Weighted-mean regions of a probability distribution (with R. Dyckerhoff) [Full Paper as .PDF]
This is the author's version of a work that was subsequently published in Statistics and Probability Letters 82 (2012), 318-325.

Weighted-mean trimming of multivariate data (with R. Dyckerhoff) [Full Paper as .PDF]
This is the author's version of a work that was subsequently published in Journal of Multivariate Analysis 102 (2011), 405-421.

The effect of infrequent trading on detecting price jumps (with Frowin C. Schulz)
AStA: Advances in Statistical Analysis 95 (2011), 27-58. [Full Paper as .PDF]

A comparison of recent procedures in Weibull mixture testing (with Lars Haferkamp).
C.H. Skiadas, ed., Advances in Data Analysis, Boston (Birkhäuser), 2009,211 - 218 [Full Paper as .PDF]
(The final publication is available at www.springerlink.com.)

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Attenuation of relative poverty by taxes and subsidies (with Christoph Scheicher).
METRON LXVI (2008), 265 - 283 [Full Paper as .PDF]

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Homogeneity testing in a Weibull mixture model (with C. Scheicher).
Statistical Papers (April 2008), Vol. 49 Issue 2, p315-332. 18p [Full Paper as .PDF]
(The final publication is available at www.springerlink.com.)

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Size and Power of Recent Tests for Homogeneity in Exponential Mixtures (with Lars Haferkamp). Communications in Statistics - Simulation and Computation 36.3 (2007), 493-504.([Full Paper as .PDF] Author Posting. (c) Taylor & Francis, 2007.
This is the author's version of the work. It is posted here by permission of Taylor & Francis for personal use, not for redistribution.
The definitive version was published in Communications in Statistics - Simulation and Computation, Volume 36 Issue 3, May 2007.
doi:10.1080/03610910701212074)

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Multivariate Lorenz dominance based on zonoids (with G. Koshevoy).
AStA: Advances in Statistical Analysis 91 (2007), 57-76. [Full Paper as .PDF]
(The final publication is available at www.springerlink.com. )

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Data analysis and classification with the zonoid depth (with R. Hoberg).
In: R. Liu, R. Serfling, D. Souvaine, eds., Data Depth: Robust Multivariate Analysis, Computational Geometry and Applications, American Mathematical Society (2006), 49 - 59. [Full Paper as .PDF]

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Can Markov-regime switching models improve power price forecasts? Evidence for German daily power prices (with P. Kosater).
Applied Energy 83 (2006), 943 - 958. [Full Paper as .PDF]

Studienaufbau und Studienerfolg von Kölner Volks- und Betriebswirten im Grundstudium (mit A. Savin).
Das Hochschulwesen 53 (2005), 144 - 150. [Full Paper as .PDF]

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Studienaufbau und Studienerfolg von Kölner Volks- und Betriebswirten im Hauptstudium (mit A. Savin).
Das Hochschulwesen 53 (2005), 181 - 187. [Full Paper as .PDF]

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Restricted Lorenz dominance of economic inequality in one and many dimensions.
Journal of Economic Inequality 2 (2004), 89-103. [Abstract as .PDF, .PS] ([Full Paper as .PDF, .PS] : The final publication is available at www.springerlink.com.)

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Introduction: The geometry of data.
Allgemeines Statistisches Archiv 88 (2004), 133-135. [Full Paper as .PDF]
(The final publication is available at www.springerlink.com.))

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Classification based on data depth (with Richard Hoberg).
Bulletin of the ISI 54th Session (2003). [PS-File]

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Central regions and dependency.
Methodology and Computing in Applied Probability 5 (2003), 5-21. [Full paper as .PS, .PDF] : This is a preprint of an article accepted for publication in "Methology and Computing in Applied Probability" ©2003 John Wiley & Sons.)

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Mixture models in econometric duration analysis. Applied Stochastic Models in Business and Industry 19 (2003), 91-104.[Full Paper as .PS, .PDF] : This is a preprint of an article accepted for publication in "Applied Stochastic Models in Business and Industry" ©2003 John Wiley & Sons.)

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Multidimensional indices and orders of diversity.
Community Ecology 2 (2001), 137-143. [Abstract]

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Testing for homogeneity in an exponential mixture model (mit Wilfried Seidel).
Australian and New Zealand Journal of Statistics 43 (2001). [Abstract]

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A cautionary note on likelihood ratio tests in mixture models (mit Wilfried Seidel und Manfred Alker).
Annals of the Institute of Statistical Mathematics 52 (2000), 481-487. [Abstract]

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Likelihood ratio tests based on subglobal optimization: A power comparison in exponential mixture models (mit Wilfried Seidel und Manfred Alker).
Statistical Papers 41 (2000), 85-98. [Abstract]

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Depth of hyperplanes and related statistics (mit Gleb Koshevoy).
In: W. Gaul, M. Schader, eds., Mathematische Methoden der Wirtschaftswissenschaften. Heidelberg (Physica) 1999, 162-171. [Abstract]

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Measuring multivariate concentration: A geometric approach (mit Gleb Koshevoy).
Allgemeines Statistisches Archiv 83 (1999), 173-189. [Abstract]

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Welfare means and equalizing transfers (mit Pietro Muliere).
Metron 56 (1998), 11-52. [Abstract]

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Specification analysis in mixed hazard models and a test of crossing survival functions (mit Tomas Philipson).
Statistical Papers 40 (1999), 37-54. [Abstract]

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Lift zonoids, random convex hulls and the variability of random vectors (mit Gleb Koshevoy).
Bernoulli 4 (1998), 377-399. [Abstract]

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Zonoid trimming for multivariate distributions (mit Gleb Koshevoy).
Annals of Statistics 25 (1997), 1998-2017. [Abstract]

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Orthant orderings of discrete random vectors (mit Rainer Dyckerhoff).
Journal of Statistical Planning and Inference 62 (1997), 193-205.[Abstract]

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A bounding procedure for multiattribute expected utility (mit Hartmut Holz).
In: E. Gruber / A. Tangian, eds., Constructing Scalar-Valued Objective Functions. Berlin (Springer) 1997, 153-165. [Abstract]

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Multivariate Gini indices (mit Gleb Koshevoy).
Journal of Multivariate Analysis 60 (1997), 252-276. [Abstract]

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De minimis and equity in risk.
Theory and Decision 42 (1997), 215-233. [Abstract]

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Inequality indices and the starshaped principle of transfers (mit Pietro Muliere).
Statistical Papers 37 (1996), 343-364. [Abstract]

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Zonoid data depth: Theory and computation (mit Rainer Dyckerhoff und Gleb Koshevoy). In: A. Prat. ed.,
COMPSTAT 1996, Heidelberg (Physica) 1996, 235-240. [Abstract]

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The Lorenz zonoid of a multivariate distribution (mit Gleb Koshevoy).
Journal of the American Statistical Association 91 (1996), 873-882. [Abstract]

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An algorithm for multivariate weak stochastic dominance (mit Hartmut Holz und Rainer Dyckerhoff).
In: F. Faulbaum/W. Bandilla eds., SoftStat '95, Stuttgart (Lucius) 1996. [Abstract]

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Testing whether two distributions are stochastically ordered or not.
In: H. Rinne/B. Rüger/H. Strecker eds., Grundlagen der Statistik und ihre Anwendungen, Festschrift für Kurt Weichselberger, Heidelberg (Physica) 1995, 149--155. [PDF]

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An interactive decision procedure with multiple attributes under risk (mit H. Holz).
Annals of Operations Research 52 (1994), 151--170. [Abstract]

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Majorization in economic disparity measures.
Linear Algebra and Its Applications 199 (1994), 91--114. MR CMP 94 12. [Abstract]

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Multidimensional welfarisms.
In: W. Eichhorn ed., Models and Measurement of Welfare and Inequality, Berlin (Springer) 1994, 808--820. [Abstract]

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Stochastic dominance with nonadditive probabilities (mit R. Dyckerhoff).
Zeitschrift für Operations Research 37 (1993), 231--256. MR 94g:90007. [Abstract]

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Location of a spatially extended facility with respect to a point.
In: T. R. Lakshmanan/P. Nijkamp eds., Structure and Change in the Space Economy, Berlin (Springer) 1993, 145--162. [Abstract]

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Zur Abschätzung von Rechteck--Wahrscheinlichkeiten bei simultanen Tests (mit H. Jäschke).
Österreichische Zeitschrift für Statistik und Informatik (ZSI) 22 (1992), 219--242. [Abstract]

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Some theory of stochastic dominance (mit M. Scarsini).
In: K. Mosler/M. Scarsini eds., Stochastic Orders and Decision under Risk, Hayward, California (Institute of Mathematical Statistics) 1991, 261--284. MR 94a:60024. [Abstract]

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Multiattribute utility functions, partial information on coefficients, and efficient choice.
OR Spektrum 13 (1991), 87--94. MR 92c:90027.[Abstract]

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Location of physical distribution networks: A continuous approach.
Locational Analysis 1 (1990), 189--202. [Abstract]

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Estimation under G-invariant quasi-convex loss.
Journal of Multivariate Analysis 22 (1987), 137--143. MR 88d:62091.

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Simultane Konfidenzintervalle für die Mittelwerte nicht unabhängiger Zufallsgrössen.
Allgemeines Statistisches Archiv 69 (1985), 377--391.

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Increasing multivariate risk: Some definitions.
In: Risk and Capital, G. Bamberg/K. Spremann eds., Berlin (Springer) 1984, 88--102. MR 85h:90020.

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Stochastic dominance decision rules when the attributes are utility independent.
Management Science 30 (1984), 1311--1322. MR 86g:90005, Zbl. 554.90011.

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Location theory of the firm facing uncertain prices and transport rates.
In: Operations Research and Economic Theory, Essays in Honor of M. J. Beckmann. H. Hauptmann/W. Krelle/K. C. Mosler eds., Berlin (Springer) 1984, 163--174. Zbl. 542.90008.

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Robust comparisons of spatial patterns.
Regional Science and Urban Economics 14 (1984), 453--463.

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Characterization of some stochastic orderings in multinormal and elliptic distributions.
In: Operations Research Proceedings 1983, H. Steckhan et al. eds., Berlin (Springer) 1984, 520--527.\ MR 87g:90003, Zbl. 533.90011.

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Assoziierte und positiv abhängige Zufallsvariable.
Methods of Operations Research 44 (1981), 115--126.\ MR 84:90010, Zbl. 524.62056.

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Halbordnungen zur Abschätzung des Verhaltens stochastischer Systeme.
In: Anwendungen der Systemtheorie und Kybernetik in Wirtschaft und Verwaltung. H. Hauptmann/K. E. Schenk eds., Berlin (Duncker & Humblot) 1980, 179--192.

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Statistical decisions between portfolios: Mean--variance analysis revisited.
Engineering and Process Economics 4 (1979), 257--268.

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Zur Dezentralisierung des quadratischen Standortproblems.
Zeitschrift für die gesamte Staatswissenschaft 134 (1978), 464--476.

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Minimum cost location of branched networks for transportation to a center.
In: Advances in Operational Research. M. Roubens ed., Amsterdam (North--Holland) 1977, 311--329.\ Zbl. 372.90120.

Classifying real-world data with the DDα-procedure
(with Pavlo Mozharovskyi and Tatjana Lange) [Full Paper as .PDF]

General notions of depth for functional data
(with Yulia Polyakova) [Full Paper as .PDF]