If the government takes this approach, consumer surplus would increase.
A monopoly is when there is only one firm operating in an industry. A natural monopoly occurs when there is a high start-up cost associated with opening a business or a firm enjoys economies of scale.
Consumer surplus is the difference between the willingness to pay of a consumer and the price of the good. As the price of a good declines, consumer surplus increases. P2 is lower than P1, this means that if price is regulated to P2, consumer surplus would increase.
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