In the United States the share of foreignborn workers with 12 years of education or less is:

Which of the following does NOT influence the type of oligopoly that forms?

A) Whether firms act sequentially or simultaneously. B) Whether firms set price or quantity. C) The type of demand curve the firms face. D) The time horizon over which firms will be in competition.

Which of the following statements is true of a barter system? a. In a barter system economy, no rates of exchange are defined

b. In a barter system economy, there are as many different rates of exchange as there are pairs of goods to trade. c. In a barter system economy, rates of exchange are expressed in goods per dollar. d. In a barter system economy, rates of exchange are expressed in dollars per good. e. In a barter system economy, rates of exchange are denominated in gold or silver.