In a survey of tax reform in recent years, Richard Bird and Michael Smart explore the relationship between tax policy and tax research. They conclude that there have been important examples of apparent influences of research on policy. For instance, they are encouraged that the downward pressure...

We study corporate income taxation when firms operating in multiple jurisdictions can shift income using tax planning strategies. Because income of corporate groups is not consolidated for tax purposes in Canada, firms may use financial techniques, such as lending among affiliates, to reduce...

A decade ago, several Canadian provinces replaced the retail sales taxes by value-added taxes. This paper estimates the effects of this tax substitution on consumer prices in the reforming provinces. Consistent with theory, we find that the resulting effective tax rate changes were shifted...

We study corporate income tax competition when firms operating in multiple jurisdictions can shift income using financial planning strategies. Several such strategies, particularly intra-corporate lending, appear to be actively pursued by companies to reduce subnational corporate taxes in...

We estimate the elasticity of reported income with respect to tax rates for high earners using subnational variation across Canadian provinces. We argue this allows for better identification of tax elasticities than the existing literature. We find that elasticities of reported income at the...

A simple theory suggests that a common form of federal horizontal equalization grants should cause subnational governments to levy higher tax rates, distorting local tax bases and so increasing federal transfers. To test this, I examine Canadian provincial tax policies in the 1972-2002 period....