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dc.contributor.authorBARABESI LUCIOen_GB
dc.contributor.authorCERASA ANDREAen_GB
dc.contributor.authorCERIOLI ANDREAen_GB
dc.contributor.authorPERROTTA DOMENICOen_GB
dc.date.accessioned2018-05-17T00:03:45Z-
dc.date.available2017-01-26en_GB
dc.date.available2018-05-17T00:03:45Z-
dc.date.created2016-12-23en_GB
dc.date.issued2018en_GB
dc.date.submitted2015-04-28en_GB
dc.identifier.citationJOURNAL OF BUSINESS & ECONOMIC STATISTICS vol. 36 no. 2 p. 346-358en_GB
dc.identifier.issn0735-0015en_GB
dc.identifier.urihttp://dx.doi.org/10.1080/07350015.2016.1172014en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC95767-
dc.description.abstractThe Newcomb-Benford law for digit sequences has recently attracted interest in anti-fraud analysis. However, most of its applications rely either on diagnostic checks of the data, or on informal decision rules.We suggest a new way of testing the Newcomb-Benford law that turns out to be particularly attractive for the detection of frauds in customs data collected from international trade. Our approach has two major advantages. The first one is that we control the rate of false rejections at each stage of the procedure, as required in anti-fraud applications. The second improvement is that our testing procedure leads to exact significance levels and does not rely on large-sample approximations. Another contribution of our work is the derivation of a simple expression for the digit distribution under the alternative hypothesis that the Newcomb-Benford law is violated, and a bound for a chi-squared type of distance between the actual digit distribution and the Newcomb-Benford one. Our approach is also consistent with the view that in financial applications fraudulent behavior may be signalled by outlying observations.en_GB
dc.description.sponsorshipJRC.I.3-Text and Data Miningen_GB
dc.format.mediumPrinteden_GB
dc.languageENGen_GB
dc.publisherAMER STATISTICAL ASSOCen_GB
dc.relation.ispartofseriesJRC95767en_GB
dc.titleGoodness-of-fit testing for the Newcomb-Benford law with application to the detection of customs frauden_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1080/07350015.2016.1172014en_GB
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