Unit 3: Are Businesses Efficient? Product Markets and Efficiency

Lesson 10b: Monopoly: Long Run Equilibrium:
Efficiency, Price Discrimination, and Regulation

Something Interesting - Why are we studying this?

 

Why do state governments prevent competition in the distribution of electricity? In northern Illinois only ComEd can run electricity wires from house to house.

- ANSWER: The distribution of electricity is a natural monopoly. It is productively more efficient to have only one company running wires from house to house. With fewer wires we can get the same amount of elctricity. So, the government only gives a license to one company to distribute electricity because it saves resources compared to having several companies distribute electricity in the same neighborhood.

Once the government creates a monopoly like ComEd, why will they then regulate the price of electricity? In Illinois the state run Illinois Commerce Commission sets the price of electricity.

- ANSWER: In this lesson we will learn that monopolies are allocatively inefficient. They will charge a high price and sell less to maximize profits. This is bad for society so the goverment regulates the price.

 

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Lesson 10b