Perfect competition and the supply curve - production and profits - changing fixed cost

9 important questions on Perfect competition and the supply curve - production and profits - changing fixed cost

Can firms change the fixed cost? In what time horizon can they do it?

Yes firms can change their fixed cost
in the long run

What can a firm do the change its fixed cost?

A firm will choose the level of fixed cost that minimizes the average total cost for the desired output quantity.

When should a firm incure any fixed cost at all by remaining in business?

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How can a producer eliminate fixed cost? What does this mean?

By selling its plant and equiptment or ending the leases for anything rented IN THE LONG RUN
it cant ever produce again, and it has exited the market
fixed cost = 0

How can a potential producer enter the market.

  • When it takes on some fixed cost by buying machines and other resources IN THE LONG RUN
  • which puts it in a position to produce, so that it could enter the industry

IN THE LONG RUN when should firms exit the market?

When market price is consistently less than their break-even price

In the long run when should firms remain in the industry and continue producing?

When the firm is consistently above break even price

What are the 2 assumption for the criterion of free entry?

Inputs are easy to obtain, and their prices do not change
identical firms  one firm can operate equally as the other

What will happen if price is high, and existing producers are generating a profit? Where is this profit on the graph? What is the name?

It will attract potential entrants to the market.
profit is and price above min ATC
this is any point above min average cost

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