11 European countries now operate IP Box regimes that provide substantially reduced rates of corporate tax for income derived from important forms of intellectual property. We incorporate these policies into forward-looking measures of the cost of capital, effective marginal tax rates and...

This paper analyzes externalities of patent box regimes in Europe. Tax reductions in foreign affiliates of a firm that also provide a profit shifting opportunity reduce the user cost of capital and thereby increase domestic investment. We test this mechanism for the case of research activity. By...