Using the information in Table 6.2, the Astro Consumer Price Index for 2016 is

Every unit of good x that is produced in the United States is exported to other countries. An increase in the price of good x shows up

a. in the consumer price index and in the GDP deflator. b. in the consumer price index, but not in the GDP deflator. c. in the GDP deflator, but not in the consumer price index. d. in neither the consumer price index nor in the GDP deflator.

Based on your understanding of your roommate's preferences, you predict that he will select the spaghetti for his lunch at the cafeteria, but instead he chooses the gyros. How do you describe this event in terms of economic theory?

A) Your roommate is irrational. B) Your roommate does not know what is in his own best interests. C) You roommate does not know his own preferences as well as you do. D) You constructed a model that made a prediction, and the prediction was refuted.