In economics, what is an efficient market?

A. A market with Fer sellers
B. A market with which profit opportunities are rare
C. A market with many buyers and sellers
D. A market with few substitutes

B. A market with which profit opportunities are rare

In an efficient market, all relevant information is quickly and accurately reflected in prices, making it difficult for investors or traders to consistently achieve abnormal returns or profits.

A is : A market with few sellers

Now what is the correct answer

C. A market with many buyers and sellers

An efficient market is characterized by a large number of buyers and sellers, which helps ensure that prices are set fairly based on supply and demand forces. This reduces the likelihood of profit opportunities being consistently available.