Nigeria and Ethiopia have the most people. Please mark Brainliest!!!
Answer:
In a long-run equilibrium - only a perfectly competitive firm operates at its efficient scale - option A is the correct answer.
Explanation:
In the long-run equilibrium, only a perfectly competitive firm that operates at its efficient scale and a monopolistically competitive firm sets off with overabundant capacity.
Therefore, in a long-run equilibrium - only a perfectly competitive firm operates at its efficient scale - option A is the correct answer.
Answer:
Explanation:
Let us say you are doing an essay on the gold trade on the comex. You have to read something to understand what it means to buy gold on the comex. You need to at least know what it takes to buy and sell on the comex.
What you read to find out is a reference. It has to be listed in a Bibliography which is a list of references.