Question

Which of the following would cause a shift to the left of the demand curve for glow-in-the-dark clothing in Antarctica?

A. penguins go extinct
B. the price of normal clothing increases
C. summer begins
D. the population of Antarctica increases

Answer 1

The price of normal clothing increases and normal clothing and glow in the dark clothing are substitutes, demand for glow in the dark clothing increases and demand curve shift to the right.

Therefore (B) is wrong

Penguins are not input factor and that is why

(A) is wrong

If the population increases, the demand increases and that is the reason why

(D) is wrong

Summer begins in Antarctica then there would be more amount of light through of the day than in winters (which are completely dark) and that is the reason why the glow in the dark clothing reduces because theres no need to wear clothing that radiate light because there is already sunlight in the summer. Therefore in summer the demand decreases and that is the reason why demand curve shift to the left with which

(C) is the answer to this question