Suppose that the federal government is concerned about obesity in the united states. congress is considering two plans. one would require "junk food" producers to include warning labels on all junk fo

Suppose that the federal government is concerned about obesity in the united states. congress is considering two plans. one would require "junk food" producers to include warning labels on all junk food. the other would impose a tax on all products considered to be junk food. we could illustrate the tax as producing a movement from