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Putting The Commerce Back In The Dormant Commerce Clause: State Taxes, State Subsidies, And Commerce Neutrality, Ryan Lirette, Alan D. Viard

Journal of Law and Policy

The unpredictability of the Supreme Court’s dormant Commerce Clause (“DCC”) jurisprudence continues to draw trenchant criticism from commentators and the Justices themselves, as the Court remains unable to explain which state taxes and subsidies impede interstate commerce. We show that these problems can be resolved by a Commerce Neutrality framework requiring that state taxes and subsidies provide a combined treatment of inbound and outbound transactions at least as favorable as their treatment of intrastate transactions. This simple test has an economic foundation because taxes and subsidies that violate it create incentives to engage in intrastate rather than interstate transactions. The …