Banks Defy Gravity in Tax Havens
Résumé
Using country-by-country reports from the Systemically Important Banks in the European Union, we measure ``abnormal'' banking activity in tax havens (TH). Our assessment is based on a gravity model used to predict the expected international turnover of EU banks worldwide. We find that: 1) banks turnover in TH represents on average twice the gravity predictions; 2) the abnormal turnover of EU banks represents 1.46\% of GDP in TH and varies between 16\% of GDP and zero; 3) there is a large heterogeneity across TH with Hong Kong, Luxembourg and Singapore concentrating the bulk of the abnormal turnover; 4) we observe a decline and a concentration of abnormal turnover since the reporting requirement has been introduced in the EU.
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