Introduction: the Camel Man and me -- Culture -- Pro bono publico -- Tobacco as much as bullets -- Engineering consent -- Science -- More doctors smoke Camels -- The causal conundrum -- Constructing controversy -- Politics -- The surgeon general has determined -- Congress - the best filter yet...

Recent theoretical work has shown that the incidence of ad valorem and specific taxes may differ and each may be over or under-shifted onto consumers in the presence of imperfect competition. Empirical comparison of the price effects of the two taxes is limited. There are no previous estimates...