ITERATIVE DISJUNCTIVE SYLLOGISM Basic propositional logic teaches that the disjunctive syllogism (modus tollendo ponens) is a valid argument, in which one of its premises is a disjunction (P v Q), and the other premise is the negation of one of the disjuncts: P v Q ~P­­­_____ ∴ Q See Irving Copi & Carl Cohen Introduction to Logic at 362 (2005). [read post]

Table of Contents Key Points Introduction A Short History of Excise Taxes — Pigouvian Taxes All Tax Policy is About Trade-offs General Design Considerations — Tax Base — Tax Rate — When to Levy — Revenue Allocation — Regressivity — Principles for Excise Tax Design Traditional Excise Tax Categories — Tobacco — Alcohol — Motor Fuel Excise Tax Trends — Recreational Marijuana — Sports Betting — Vaping — Sugar-Sweetened… [read post]