So here is my homework question of the night. (question is attached) This is for an Economic Issues class. Let me know if you can help!
Suppose the own price elasticity of demand for good X is -3, its income elasticity is 1, its advertising elasticity is 2, and the cross-price elasticity of demand between it and good Y is -4. Determine how much the consumption of this good will change if:
Instructions: Enter your answers as percentages. Include a minus (-) sign for all negative answers.
a. The price of good X decreases by 5 percent.
b. The price of good Y increases by 8 percent.
c. Advertising decreases by 4 percent.
d. Income increases by 4 percent.