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.
The occurrence of a predominately black housing development that was knowingly constructed on contaminated land is known as environmental injustice.
The act of building a bad and dangerous housing for a specific race is a sign of social injustice that ever exist in united states
hope this helps
If a country is not able to produce some goods, it has to buy them somewhere else and bring them into the country - this is called importing, so the correct answer is b.
Selling goods outside of the country is called exporting and giving them away would be called donating.
