OPEC nations as a group would make more profit from oil if they restricted the supply and thus sold less but at a higher price, as the demand for oil is relatively inelastic.

OPEC nations as a group would make more profit from oil if they restricted the supply and thus sold less but at a higher price, as the demand for oil is relatively inelastic. If that is true, why has it been so difficult for OPEC to keep its members from cheating (and selling more oil than agreed on)? 2. Another factor that has...

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