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Tidy Tidy
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9 years ago
The De Beers diamond mining and marketing company of South Africa became one of the most profitable and longest-lived monopolies in history. Which of the following has always threatened De Beers' control of the diamond market?
A) Since few diamonds are ever destroyed, De Beers has constantly faced possible competition from other firms reselling diamonds.
B) Competition from imitation diamonds. Technology has made it possible to make fake diamonds look exactly like real diamonds.
C) Competition from other gemstones, including rubies and emeralds, that have become more popular over time.
D) At different times in the past some countries have banned the importation of diamonds from South Africa for political reasons.
Textbook 
Essentials of Economics

Essentials of Economics


Edition: 4th
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Tidy Author
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9 years ago
Correct Slight Smile TY
wyq2651
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Yesterday
this is exactly what I needed
smi3
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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