Assume that the demand for an electric toothbrush (X) is represented by the following equation:
$$Q D _ { X } = 1000 - 10 P _ { X } - 5 P _ { Y } + 2 P _ { Z }$$ Which of the products Y and Z is a substitute and which of them is a complement to an electric toothbrush? Give examples for goods Y and Z.

Question

Assume that the demand for an electric toothbrush (X) is represented by the following equation:
 $$Q D _ { X } = 1000 - 10 P _ { X } - 5 P _ { Y } + 2 P _ { Z }$$ Which of the products Y and Z is a substitute and which of them is a complement to an electric toothbrush? Give examples for goods Y and Z.

Quizplus · Accepted Answer

The Answer of Assume that the demand for an electric toothbrush (X) is represented by the following equation:
 $$Q D _ { X } = 1000 - 10 P _ { X } - 5 P _ { Y } + 2 P _ { Z }$$ Which of the products Y and Z is a substitute and which of them is a complement to an electric toothbrush? Give examples for goods Y and Z.

Assume That the Demand for an Electric Toothbrush (X) Is QDX=1000−10PX−5PY+2PZQ D _ { X } = 1000 - 10 P _ { X } - 5 P _ { Y } + 2 P _ { Z }QDX​=1000−10PX​−5PY​+2PZ​

Assume That the Demand for an Electric Toothbrush (X) Is $Q D _ { X } = 1000 - 10 P _ { X } - 5 P _ { Y } + 2 P _ { Z }$