1) Can the Federal Government discriminate among states when setting tax rates? What document provides the answer to this question? (As an example of the previous point, include at the end of this question the Federal tax on a gallon of gasoline)

2) Explain the main characteristics of the libertarian ideology. Do they have an Organic or Mechanistic view of government?

3) Several years ago, New York City introduced a ban on large soda drinks with the objective of reducing obesity (the ban was later declared unconstitutional). Explain concisely how somebody with an Mechanistic view of Government would react to this ban in contrast with somebody a Mechanistic view.

4) Explain concisely what a natural experiment is and its main benefit compared to using observational data in empirical economics.