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The End of Bank Secrecy? An Evaluation of the G20 Tax Haven Crackdown
Niels Johannesen 1, Gabriel Zucman 2, 3
(2012-02)

During the financial crisis, G20 countries compelled tax havens to sign bilateral treaties providing for exchange of bank information. Is it the end of bank secrecy? Exploiting a unique panel dataset, we study how the treaties affected bank deposits in tax havens. Our results suggest that most tax evaders did not respond to the treaties but that a minority responded by transferring their deposits to havens not covered by a treaty. Overall, the G20 tax haven crackdown caused a modest relocation of deposits between havens but no significant repatriation of funds: the era of bank secrecy is not yet over.
1:  Department of Economics - University of Copenhagen
University of Copenhagen
2:  Paris-Jourdan Sciences Economiques (PSE)
CNRS : UMR8545 – École des Hautes Études en Sciences Sociales [EHESS] – Ecole des Ponts ParisTech – Ecole normale supérieure de Paris - ENS Paris – Institut national de la recherche agronomique (INRA)
3:  Ecole d'Économie de Paris - Paris School of Economics (EEP-PSE)
Ecole d'Économie de Paris
Humanities and Social Sciences/Economy and finances
Tax havens – Tax evasion
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