Lisa eats both pizzas and burritos. If the price of a pizza increases, Lisa's opportunity set Naim 21:42 Microeconomic Theory Chapter 4 Lisa eats both pizzas and burritos. If the price of a pizza increases, Lisa's opportunity set A) becomes larger. B) becomes smaller. C) is unchanged. D) cannot be determined without more information Answer: becomes smaller. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+