個經題目 - 經濟

the demand for apartments is P=1200-Q while the supply is p=q units.
the government imposes rent control at p=$300/month. suppose demand grows
in the market to P=1400-Q.

a.How is excess demand affected by the grownth in demand for apartments?

b. At what price would the government have to set the rent control to

keep excess demand at the same level as prior to growth in demand?

想請問一下Ａ答案８００和Ｂ答案是４００嗎

因為Ｂ答案比較不確定　　同學算的有２個版本

４００跟２００

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伸手摘星 未必如願
但不會弄髒你手


但是那個"人"哪個時候才會出現

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