A persistent surplus of pounds at a given fixed exchange rate (in dollars per pound) is evidence that the pound is ________ versus the dollar. This surplus can be reduced or eliminated through a ________ of the pound

Cost-push inflation can start with

A) a decrease in government expenditure. B) an increase in oil prices. C) a decrease in investment. D) a decrease in the quantity of money. E) an increase in government expenditure.

Which oligopoly model(s) have the same results as the competitive model?

A) Cournot B) Bertrand C) Stackelberg D) Both Cournot and Stackelberg