DQ1.How was De Beers able to control the world price of diamonds over the past several decades even though it produced only 50 percent of the diamonds? What factors ended its monopoly? What is its new strategy for earning economic profit, rather than just normal profit?
DQ2.Why is there so much advertising in monopolistic competition and oligopoly? How does such advertising help consumers and promote efficiency? Why might it be excessive at times?
Individual Assignment - Week Three Knowledge Check
Complete the Week Three Knowledge Check.