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84 Tul. L. Rev. 125 (2009-2010)

handle is hein.journals/tulr84 and id is 127 raw text is: More Cooperation, Less Uniformity:
Tax Deharmonization and the Future of the
International Tax Regime
Steven A. Dean*
Efforts to foster improved international tax coopertion have become preoccupied with
tax harmonization. Deharmonization offers the possibility of harmony without uniformity By
exploring two examples of tax deharrnoization in practice and considering the origins and
limitations of tax harmonization, this Article brings the tradftional emphasis on harmonization
into question. It then makes the case that deharmonization-cooperation without uniformniy-
could provide a viable alternative. Achieving tax deharmonization   potential would require
revisiting some of the most basic elements of our cunvnt international tax regime, particularly
the benefits prmciple.
I.    IN TRODUCTION    ............................................................................. 126
II.   D EHARM   ONIZATION    ..................................................................... 130
A.     Tax Daharmonization ......................................................... 130
B.    Deharmonization in Disgwuse ............................................ 133
C     Two Types ofDehanonization ......................................... 137
III. THE LIMITS OF TAx HARMONIZATION ......................................... 138
A.     Tax Harmonization ............................................................. 139
B.     The Age ofEasy Symmety .............................................. 141
C Symmetry and the Modern International Tax
R eg im e  ................................................................................ 14 3
D     Cross-Border Symmetry in a Heterogeneous World ........ 146
IV    THE TAX DEHARMONIZATION ALTERNATIVE .............................. 149
A.     The Benefits of Tax Harmonization .................................. 151
1.    E ff iciency  ................................................................... 15 1
2.    L egitim acy  ................................................................. 153
B.     The Benefits of Tax Deharmonizaton .............................. 155
1.    E ff iciency  ................................................................... 155
*     © 2009 Steven A. Dean. Associate Professor of Law, Brooklyn Law School.
This Article benefited from support from a Brooklyn Law School Dean's Summer Research
Grant and from very helpful input from Tom Brennan, Kim Brooks, Edward Cheng, Allison
Christians, Charlotte Crane, Michael Doran, Rebecca Kysar, Edward Janger, Ruth Mason,
David Reiss, Diane Ring, Adam Rosenzweig, Chris Serkin, Kirk Stark, and Eric Zolt, and the
participants in the UCLA Tax Policy and Public Finance Colloquium, the McGill Tax Policy
Workshop, and Junior Tax Scholar's Workshop at NYU. Helpful research assistance was
provided by Jeanne Fahrenbach.

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