A perfectly competitive firm that makes car batteries has a...

A perfectly competitive firm that makes car batteries has a fixed cost of $\$ 10,000$ per month. The market price at which it can sell its output is $\$ 100$ per battery. The firm's minimum AVC is $\$ 105$ per battery. The firm is currently producing 500 batteries a month (the output level at which MR $=M C) .$ This firm is making a _____ and should _____ production. a. profit; increase b. profit; shut down c. loss; increase d. loss; shut down

A perfectly competitive firm that makes car batteries has a fixed cost of $\$ 10,000$ per month. The market price at which it can sell its output is $\$ 100$ per battery. The firm's minimum AVC is $\$ 105$ per battery. The firm is currently producing 500 batteries a month (the output level at which MR $=M C) .$ This firm is making a _____ and should _____ production.
a. profit; increase
b. profit; shut down
c. loss; increase
d. loss; shut down

Key Concepts

Shutdown Rule in the Short Run

The shutdown rule states that a firm should cease production in the short run if the market price falls below its average variable cost. This is because operating under such conditions would increase losses beyond the unavoidable fixed costs, making it economically rational to halt production.

Perfect Competition

In perfectly competitive markets, firms are price takers where they face a constant market price for their product. They maximize profits by producing at the level where marginal revenue (MR) equals marginal cost (MC), regardless of the fixed or variable cost structure.

Fixed and Variable Costs

Fixed costs are expenses that remain constant regardless of the level of output, while variable costs change with the level of production. Understanding the distinction between these is essential because fixed costs are incurred even when production is halted, whereas variable costs are directly influenced by production volume.

Average Variable Cost (AVC)

Average Variable Cost is the total variable cost divided by the quantity of output produced. It provides insight into the cost incurred per unit from variable inputs and is critical for making short-run production decisions, especially in determining if a firm should continue operating.

Profit Maximization

Even when a firm follows the profit maximization rule by setting MR = MC, it can still incur losses if the resulting price does not cover all variable costs. In such cases, especially when the price is below AVC, the firm faces a decision between operating at a loss or temporarily shutting down production.

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