Production and Costs
Profit Maximization
Short Run Vs Long Run
100


What is the formula for total cost?


Total Cost = Fixed Cost + Variable Cost

100

The point at which a firm maximizes profit?

What is MR=MC

100

What is the main difference between the short run and the long run?

In the short run, at least one input is fixed; in the long run, all inputs are variable.

200

what is marginal cost.



Marginal cost is the additional cost incurred from producing one more unit of a good.

200

 the area between price and average total cost (ATC) represent on a graph

what is 

 Economic profit or loss.

200

What causes a firm to exit an industry in the long run?

Consistent economic losses over time.

300

What happens to average total cost (ATC) when marginal cost (MC) is below it?

When MC is below ATC, ATC decreases.

300

What is the difference between accounting profit and economic profit?

Accounting profit excludes implicit costs, while economic profit includes them.

300
Price is equal to this in a perfectly competitive firm

Marginal Revenue

Average Revenue

Demand

400

 Explain economies of scale.

  • Economies of scale occur when increasing production leads to a lower average total cost.

400

What happens to profit in the long run for perfectly competitive firms?

Firms earn zero economic profit due to free entry and exit.

400

The demand curve for a firm in a perfectly competitive firm

what is perfectly elastic?

500

What is the difference between explicit and implicit costs?

Explicit costs are direct payments made by a firm, while implicit costs represent the opportunity costs of using resources owned by the firm.

500

The shut down rule

what is P < AVC?

500

If many firms are losing money, what will happen in the long run?

firms will enter the market

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