Which of the following can lead to an oligopoly?

An exponential reserve index assumes

a. That economically recoverable reserves will increase exponentially b. That consumption will increase exponentially c. That the resource lifetime will increase exponentially d. That identified reserves will increase exponentially e. That undiscovered reserves will increase exponentially

Suppose we know that 10 Spanish Galleons sunk in the Atlantic ocean carrying approximately 50 tons of gold, but the exact location of these shipwrecks is unknown. Would this gold add to the world reserve?

A) Yes, we know it exists. B) No, we know it exists but we can't extract the gold. C) Yes, it's only a matter of time before the shipwrecks are discovered. D) No, there are no established property rights over the shipwreck so they cannot add to world reserves..