Advocates of fixed rules believe that politicians focus more on re-election than on sound policy

Coffee and sugar are complements. If a poor sugar harvest leads to an increase in the price of sugar, there will also be

A) an increase in the price of coffee. B) a decrease in the price of coffee. C) a rightward shift in the demand curve for coffee. D) a leftward shift of the supply curve of coffee.

Since 1970, the evidence for the U.S. suggests that the average rate of unemployment required to keep inflation constant has been

A) between 1% and 2%. B) between 2% and 3%. C) between 3% and 4%. D) between 9% and 10%. E) none of the above