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Assignment 3.1 Techinal Questions Essay

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Chapter 7 1) For each of the following graphs, identify the firm’s profit-maximizing (or loss minimizing) output. Is each firm making a profit? If not, should the firm continue to produce in the short run?

In the first graph, the firm is losing money, but it should not shut down because P > AVC. So the loss minimizing choice is to stay in business in the short run. To shut down would lead to higher losses equal to fixed costs and these losses would be more than the current losses.

In the second graph, the firm is realizing a profit because P > ATC. Consequently, it should continue to operate as long as P > AVC.

In the third graph, the firm should shut down because P < AVC. This is its loss minimizing choice as the …show more content…

c) Show and explain the long-run adjustment process for both the firm and the industry. What will happen to the number of firms in the new long-run equilibrium?

As the number of organizations increase, the industry supply curve shifts to the right denoted by S2. In the long run, firms will be operating at minimum of ATC and economic profit will be zero again. Long run prices will be equal to initial price (p1) and the equilibrium quantity will be higher. Companies will likely have similar cost structures and will grow in quantity over time. Prices cannot go below this because companies will exit at prices below this level.

Chapter 8:

1) Given the demand curve in the following graph, find (and label) the monopolist’s profit-maximizing output and price.

The profit maximizing output is found by locating where the marginal revenue equals the marginal cost. Then the demand curve will show the price where the profit maximizing output will be demanded.

3) Suppose the demand curve for a monopolist is QD = 500 – P, and the marginal revenue function is MR = 500 – 2Q. The monopolist has a constant marginal and average total cost of $50 per unit.

a) Find the monopolist’s profit-maximizing output and price.
To maximize profits, a monopolist sets his output in such a way that
Marginal Revenue = Marginal Cost
Given
MR=500-2Q
MC=50
Put MR=MC
500-2Q=50
2Q=450
Q=225
To

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