Answer:
D. All of the above.
Explanation:
Their are many reasons why economists study the perfect competition model but we will focus on the options given and it is certified that all of them are the reason for this. Because it is used as a benchmark to compare with other market structures etc.
Firms can enter and leave the market without any restrictions , therefore, there is free entry and exit into and out of the market.
A perfectly competitive firm is known to be a price taker because the pressure of competing firms forces them to accept the prevailing equilibrium price in the market. If a firm in a perfectly competitive market raises the price of its product by so much as a penny, it will lose all of its sales to competitors.
Answer:
I am pretty sure is No pls comment if I got this wrong.
The Nile River, the longest river in the world, was considered the source of life in ancient time, as well as today in Egypt. Because of the Nile, people could live near there which was bordered by deserts on the east, south, and west, along with the Mediterranea Sea on the north. The Nile floods were predictable every year. The flooding started in July following the rain season in central Africa. The Nile provided valuable moisture and silt, which was deposited on the fields as the waters reached. These were favorable for farming. The Egyptians also depended on the Nile as their main transportation route. Therefore, many cities developed along the river owing to its importance of farming and transportation
