An increase in the incomes of baseball fans in New York leads to a rightward movement along the demand curve but does not shift the demand curve for Yankees tickets

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.

According to the HO model,

A) everyone automatically gains from trade. B) the gainers from trade outnumber the losers from trade. C) the scarce factor necessarily gains from trade. D) None of the above.