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Ziffernanalyse zur Betrugserkennung in Finanzverwaltungen: Prüfung von Kassenbelegen


  • Dlugosz, Stephan
  • Müller-Funk, Ulrich


Die Anwendung der Ziffernanalyse zur Überprüfung von Kassenbelegen ist grundsätzlich möglich. Im Rahmen dieser Arbeit wurde gezeigt, dass die letzten und nicht die ersten Ziffern einer Zahl entscheidend sind.Weiterhin wurden die Voraussetzungen für die Anwendung der Ziffernanalyse auf Basis der letzten Ziffern herausgearbeitet. Der [...]-Test mit simulierten Ablehnungswahrscheinlichkeiten konnte als bester Hypothesentest für diese Anwendung identifiziert werden. Das Verfahren der Ziffernanalyse, welches bis dato nur die Verteilung der Ziffern betrachtete, wurde um Überprüfungen der Abhängigkeitsstrukturen der Zahlen bzw. Ziffern erweitert. Erste empirische Untersuchungen bei (un-)manipulierten Daten haben die Praxistauglichkeit der Ziffernanalyse wie sie hier vorgestellt wird, bestätigt.

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  • Dlugosz, Stephan & Müller-Funk, Ulrich, 2012. "Ziffernanalyse zur Betrugserkennung in Finanzverwaltungen: Prüfung von Kassenbelegen," Arbeitsberichte des Instituts für Wirtschaftsinformatik 133, University of Münster, Department of Information Systems.
  • Handle: RePEc:zbw:wwuiwi:133

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    1. Andreas Diekmann, 2007. "Not the First Digit! Using Benford's Law to Detect Fraudulent Scientif ic Data," Journal of Applied Statistics, Taylor & Francis Journals, vol. 34(3), pages 321-329.
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    3. De Ceuster, Marc J. K. & Dhaene, Geert & Schatteman, Tom, 1998. "On the hypothesis of psychological barriers in stock markets and Benford's Law," Journal of Empirical Finance, Elsevier, vol. 5(3), pages 263-279, September.
    4. Marsaglia, George & Tsang, Wai Wan, 2002. "Some Difficult-to-pass Tests of Randomness," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 7(i03).
    5. Christin Schäfer & Jörg-Peter Schräpler & Klaus-Robert Müller & Gert G. Wagner, 2004. "Automatic Identification of Faked and Fraudulent Interviews in Surveys by Two Different Methods," Discussion Papers of DIW Berlin 441, DIW Berlin, German Institute for Economic Research.
    6. Hristos Doucouliagos, 2004. "Number preference in Australian stocks," Applied Financial Economics, Taylor & Francis Journals, vol. 14(1), pages 43-54.
    7. Christoph Watrin & Ralf Struffert & Robert Ullmann, 2008. "Benford’s Law: an instrument for selecting tax audit targets?," Review of Managerial Science, Springer, vol. 2(3), pages 219-237, November.
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