Migration of intangible assets from the United States to foreign countries has become easier due to the ability of U.S. firms to create hybrid entities in their affiliates abroad and to reach favorable cost sharing agreements with them. This strategy was particularly encouraged by the U.S....

The paper provides a framework for designing international tax rules by outlining the various behavioral margins they apply to. It then goes on to analyze three specific policy issues in terms of preserving the neutrality of choices along the relevant margins: (1) Which foreign taxes should be...