Microeconomics 15th Edition by James Gwartney,Richard Stroup,Russell Sobel,David Macpherson

تمرين 1

*Chick-fil-A's "Eat Mor Chikin" advertising campaign features three cows holding signs that say things like: "Save the cows, eat more chicken." If consumers began eating more chicken and less beef, would the cattle population increase or decrease Explain.