Output, Profit, Losses, and Supply (Grade 12 NSC Matric Economics): Quizzes

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Output, Profit, Losses, and Supply
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What is the profit-maximising production rule for all firms in perfect competition?

Produce where MR=MCMR = MC

In perfect competition, what relationship exists between price, average and marginal revenue?

AR=MR=PAR = MR = P

When do economic profits occur for a firm?

When price exceeds average cost

What does normal profit represent?

Break-even point where P=ACP = AC

What profit level do firms earn in long-term equilibrium in perfect competition?

Normal profits only

What happens when existing firms earn economic profits in perfect competition?

New firms enter, supply rises, price falls

What occurs when firms experience economic losses in perfect competition?

Firms exit, supply falls, price rises

What is an individual firm's supply curve in perfect competition?

MC curve above the shut-down point

When should a firm shut down production?

When AR<AVCAR < AVC

When making economic losses, when should a firm continue production in the short run?

When it can cover variable costs

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