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The end of bank secrecy? An evaluation of the G20 tax haven crackdown

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  • Johannesen, Niels
  • Zucman, Gabriel

Abstract

During the financial crisis, G20 countries compelled tax havens to sign bilateral treaties providing for exchange of bank information. Policymakers have celebrated this global initiative as the end of bank secrecy. Exploiting a unique panel dataset, our study is the first attempt to assess how the treaties affected bank deposits in tax havens. Rather than repatriating funds, our results suggest that tax evaders shifted deposits to havens not covered by a treaty with their home country. The crackdown thus caused a relocation of deposits at the benefit of the least compliant havens. We discuss the policy implications of these findings.

Suggested Citation

  • Johannesen, Niels & Zucman, Gabriel, 2014. "The end of bank secrecy? An evaluation of the G20 tax haven crackdown," LSE Research Online Documents on Economics 56125, London School of Economics and Political Science, LSE Library.
    • Handle: RePEc:ehl:lserod:56125
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    References listed on IDEAS

    as
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    More about this item

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
    • H26 - Public Economics - - Taxation, Subsidies, and Revenue - - - Tax Evasion and Avoidance
    • H87 - Public Economics - - Miscellaneous Issues - - - International Fiscal Issues; International Public Goods
    • K34 - Law and Economics - - Other Substantive Areas of Law - - - Tax Law

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