Explain why De Beers faces a downward-sloping demand curve.
1. Suppose that De Beers is a single-price monopolist in the market for diamonds.
De Beers has five potential customers: Raquel, Jackie, Joan, Mia, and Sophia. Each of
these customers will buy at most one diamondâ€â€and only if the price is just equal to,
or lower than, her willingness to pay. Raquel’s willingness to pay is $400; Jackie’s,
$300; Joan’s ...
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20 May 2016