Here:
The great desideratum in a tariff, for instance, is its license to rob the domestic consumer of the difference between the price of an article in a competitive and a non-competitive market. Every manufacturer would like this privilege of robbery if he could get it, and he takes steps to get it if he can, thus illustrating the powerful instinctive tendency to climb out of the exploited class, which lives by the economic means (exploited, because the cost of this privilege must finally come out of production, there being nowhere else for it to come from), and into the class which lives, wholly or partially, by the political means.
