消费者的效用函数
，预算收入400，当价格从（2,2）变化到（5,2）时，
的替代效应是（）。
A: -10
B: -5
C: -20
D: -30
，预算收入400，当价格从（2,2）变化到（5,2）时，的替代效应是（）。A: -10
B: -5
C: -20
D: -30
举一反三
- 消费者的效用函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/c885b0644278403790ff918dd6d8fe10.png">，预算收入400，价格从（1,1）变化到（2,1）的等价变化EV为（）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/e2ffac36daf245a1bc886723b973076a.png"> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/e752f5925717414eb99d272f7af25412.png"> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/67e60ce37b6a429483269cc825c9c7f2.png"> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/2e8b376d3f084d70880a54e21cf87275.png">
- 假定消费者收入为m，则对于C-D型效用函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/cad6801a0e644022b0c2fe95e8a19989.png">，最优选择满足（）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/cdf29b903396427293c59cf0351953f4.png"> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f72e0dd95fd74bcfb1d0ad01736f7efc.png"> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/898a974abc0042deb61446fbb7c0f44a.png"> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/9e2fdd685d034af19b433d9185e329e5.png">
- 企业的生产函数为<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/424d9077d00542c5922bc85377f8f7ab.png">，短期<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/2241f8850c5a42fdbc0da06e2fe66643.png">投入固定，两种要素价格为（2,2），则价格大于16时，企业的供给函数为（）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f7eee9993fbd4a66911a2d7f4a9dda74.png"> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/696bb304372d46ed8c2047e26e636d91.png"> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/8d1bbf2b88f449b88af9f43247176895.png"> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/69a898e613ae4ff6b1cf312cbd01fd16.png">
- 函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/80d8f8a04b644504a6d2e40a33d0eb32.png" >的<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/4b92518ac6a14134a358c16900e875c0.png" >阶麦克劳林公式为（） A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/7c2994f9242c43379c6a106d5bd92658.png" >； B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/2145f14f27224b189e702d3390e0a9ba.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/9ef01b77e76241d9b67b1c7c8cd0eea1.png" >； D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/a0feec59ac5046839ecb5324b27717e0.png" >；
- 采用基2时间抽取FFT算法计算<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f67e1917247149b497ced3c3798bea9a.png" />点序列的DFT，以下（ ）流图是正确的。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/76a32272ec1c4ab7a7efff7430a72d78.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/5398db8fd5714235b18480d2d9d3cfae.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/79bb453e60504ef195ebe4368d76c8a5.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d521c85331ce46948d059dd2875d17e7.png" />