Microeconomics 14th Edition by James Gwartney ,Richard Stroup,Russell Sobel ,David Macpherson

تمرين 9

*Which of the following do you think would lead to an increase in the current demand for beef?
a. higher pork prices
b. higher consumer income
c. higher prices of feed grains used to feed cattle
d. widespread outbreak of mad cow or hoof-and-mouth disease
e. an increase in the price of beef