The American Heart Association has just issued a report warning consumers about the negative health effects of eating beef. Which of the following changes in the beef market is most likely to occur as a result?
A. The demand curve will shift to the left, decreasing the price of beef.
B. The demand curve will shift to the right, increasing the price of beef.
C. Neither the supply nor demand curve will shift; only quantity will increase as price decreases.
D. Neither the supply nor demand curve will shift; only quantity will decrease as price increases.