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.
Explanation:
1.Climate change is expected to cause wide reaching effects on Pakistan. In addition to increased heat and other extreme weather conditions and drought conditions in some parts of the country, the melting of glaciers in the Himalayas, threatens the volumetric flow rate of many of the most important rivers of Pakistan.
2.A.Speak up!
B.Power your home with renewable energy.
C.Weatherize, weatherize, weatherize.
D.Invest in energy-efficient appliances.
E.Reduce water waste.
F.Actually eat the food you buy—and make less of it meat.
G.Buy better bulbs
Answer: Federal spending as a percentage of GDP has had a fluctuating range, growing in some years but decreasing in others.
The Security Council does not precisely speak to the power focuses of the worldwide framework. IGO has turned out to be progressively unmistakable both in encouraging clash determination between states, yet in addition in managing obstinate clashes inside states. They serve various fundamental capacities that improve the likelihood of participation. Made after World War I, the League of Nations was an early endeavor to systematize outsider intercession in universal clash.
Diseases, Weather, and Food Sources.
