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Décloisonner l’analyse des données pour appuyer la modernisation des douanes: une illustration à partir du Gabon

Joel Cariolle (), Cyril Chalendard, Anne-Marie Geourjon () and Bertrand Laporte ()
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Joel Cariolle: Centre d'Etudes et de Recherches sur le Développement International(CERDI)
Anne-Marie Geourjon: Centre d'Etudes et de Recherches sur le Développement International(CERDI)
Bertrand Laporte: Centre d'Etudes et de Recherches sur le Développement International(CERDI)

No 201722, Working Papers from CERDI

Abstract: Customs administrations in developing countries increasingly use risk-based techniques relying on data mining and statistical scoring. By demonstrating the value of using data analysis techniques to orient frontline controls so as to facilitate legal trade and combat fraud more effectively, these projects have helped promote a cultural change in these organizations. However, these risk management techniques may prove to be ineffective in assessing fraud risks based only on frauds detected by customs inspectors. In a context of moral hazard and low-performing customs administration, one way to address this weakness is to expand the approach by relying on other sources of information such as discrepancies in bilateral trade statistics. Several studies use these statistical discrepancies (mirror data) to identify fraudulent declarations and estimate their effects. By comparing Gabon's import customs data with discrepancies in its bilateral trade data, this paper stresses the usefulness of simultaneously analyzing customs fraud records and mirror trade statistics data. Such an analysis helps quantifying undetected fraud and therefore constitutes a valuable tool to target ex post audits. Then, based on the combination of these databases, the paper defines indicators to monitor the performance of customs controls.

Keywords: Customs risk analysis; Performance of customs authorities; Customs fraud; Tax evasion; Administrative data; Mirror analysis. (search for similar items in EconPapers)
JEL-codes: F13 D73 K42 H83 H26 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-iue
Date: 2017-12
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Related works:
Working Paper: Décloisonner l’analyse des données pour appuyer la modernisation des douanes: une illustration à partir du Gabon (2018) Downloads
Working Paper: Décloisonner l’analyse des données pour appuyer la modernisation des douanes: une illustration à partir du Gabon (2016) Downloads
Working Paper: Décloisonner l’analyse des données pour appuyer la modernisation des douanes: une illustration à partir du Gabon (2016) Downloads
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