Mathematische Methoden für Ökonomen, (with Karl Mosler and Rainer Dyckerhoff), 3rd edition, 615 pages, Berlin (Springer-Verlag) 2017.
Armut, Reichtum, Umverteilung: Begriff und statistische Messung, In: Quantitative Ökonomie, Band 157, 184 Seiten, Lohmar (Eul Verlag) zugleich Dissertation, Universität zu Köln, 2009.
Artikel
E-homework with individual feedback for large lectures (with J. Fath, P. Hansen, T. Umbach), Contributions to the 1st International STACK conference 2018, Friedrich-Alexander-University Nürnberg-Erlangen, Fürth, Germany. Zenodo
Considering the Extremely Poor – Multidimensional Poverty Measurement for Germany (with Daniel Nowak), Social Indicators Research, 133 (2017), 139-162. [DOI 10.1007/s11205-016-1365-7]
Neue Maße zur Messung von Reichtum (with Andreas Peichl and Thilo Schaefer), Ökonomenstimme, 2010. [Full Paper as link]
Measuring Richness and Poverty - A micro data application to Europe and Germany (with Andreas Peichl and Thilo Schaefer) Review of Income and Wealth, 56 (2010), 597-619.
Does work always pay in Germany? German Economic Review, 11 (2010), 266-277.
Attenuation of relative poverty by taxes and subsidies (with Karl Mosler) METRON, LXVI (2008), 265-283. [Full Paper as PDF]
Homogeneity testing in a Weibull mixture model (with Karl Mosler) Statistical Papers, 49 (2008), 315-332. [Full Paper as PDF] The original paper is available at www.link.springer.com
Measuring Polarization via Poverty an Affluence, Discussion Papers in Statistics and Econometrics, No. 03/08, November 2008. [Full Paper as PDF]