Just checking answer to Practice Question 6 in the Markets Link The World
To the question, "Given your prediction about the change in the price of paper, how would the price of pencils change? (Hint: are paper and pencils complements or substitutes?)"
"d. Fall, because demand would shift to the left." is listed as the correct answer but wouldn't the demand shift to the right as pencils are complimentary to paper rather than substitutes