(曼昆微观经济题) 1.if a profit-maximizing,competitive fi

Question

(曼昆微观经济题)
1.if a profit-maximizing,competitive firm is producing a quantity at which marginal cost is between average variable cost and average total cost,it will()
a.keep producing in the short run but exit the market in the long run.
b.shut down in the short run but return to production in the long run.
c.shut down in the short run and exit the market in the long run
d.keep producing both in the short run and in the long run.

2.Pretzel stands in New york city are a perfectly competitive industry in long run equilibrium.One day,the city starts imposing a 100 dollars per month tax on each stand.How does this policy affect the number of pretzels consumed in the short run and in the long run？
a.down in the short run,no change in the long run.
b.up in the short run,no change in the long run.
c.no change in the short run,down in tje long run
d.no change in the short run,up in the long run.

Answer 1

追答

第二题拿不大准，不过应该是选a

追问

谢谢学霸了！！！

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Answer 2

A

If MC is between AVC and ATC, it means this company is not making profit in the short run, but exiting the market will be a greater loss. This firm will produce in short run, but in theory will exit in long run