Suppose ABC Aluminum Inc owns 80% of the world's bauxite, a mineral used in the production of aluminum. Which of the following reasons describes the fundamental barrier to entry for the aluminum industry?

When a product's price increases from $9 to $11, the quantity demanded decreases from 1200 to 800 . Based on this information, the price elasticity of demand (in absolute terms) is estimated to be equal to: a. 0.5

b. 2.0. c. 0.25. d. 4.0.

The degree of international capital mobility is affected by:

a. The value of the domestic currency. b. Central bank capital controls. c. The monetary base. d. The money supply. e. The quantity of domestic currency traded per time period.