【单选题】
在竞争性市场和垄断市场中，下列哪种情况下厂商将扩大其产出水平？___
A. 价格低于边际成本
B. 价格高于边际成本
C. 边际收益低于边际成本
D. 边际收益高于边际成本
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答案
D
解析
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相关试题
【单选题】
垄断竞争市场上厂商的短期均衡发生于___
A. 边际成本等于实际需求曲线产生的边际收益时
B. 平均成本下降时
C. 主观需求曲线与实际需求曲线相交，并有边际成本等于主观需求曲线产生的边际收益时
D. 主观需求曲线与平均成本曲线相切时
【单选题】
下列哪一本著作对现代宏观经济学的产生起了最为重要的作用___
A. 凯恩斯的《货币论》
B. 马歇尔的《货币、信用与商业》
C. 凯恩斯的《就业、利息和货币通论》
D. 亚当·斯密的《国富论》
【单选题】
下列关于国内生产总值说法正确的是___
A. 一年内一个国家范围内的所有交易的市场价值
B. 一年内一个国家范围内交换的所有最终商品和劳务的市场价值
C. 一年内一个国家范围内生产的所有最终商品和劳务的市场价值
D. 一年内一个国家范围内交换的所有商品和劳务的市场价值
【单选题】
下列将计入当年GDP 的一项是___
A. 某人花10万元购买一辆二手汽车
B. 面包厂购买的面粉
C. 某企业当年生产没有卖掉的20万元产品
D. 家庭妇女在家从事家务劳动
【单选题】
国内生产总值和国民生产净值统计中，“投资”包括___
A. 某家庭购买的空调
B. 年终比年初增加的存货
C. 政府修建的公共设施（道路，桥梁等）
D. 消费者年内购买而没有消费完的商品
【单选题】
根据边际消费倾向递减规律，下列叙述不正确的是___
A. 消费函数曲线不再是一条曲线
B. 消费函数曲线是一条向右上方上升但其斜率越来越小的曲线
C. 随着收入的增加，人们的消费增量占收入增量的比重却是越来越小的
D. 随着收入的增加，人们的消费支出在总收入中所占比例越来越少
【单选题】
在收入—支出分析中，投资的增加会使___
A. 改变总支出曲线的斜率，使均衡国民收入多倍于投资增量增加
B. 改变总支出曲线的斜率，使均衡国民收入等量于投资增量增加
C. 总支出曲线向上平移，使均衡国民收入以投资增量的倍数增加
D. 总支出曲线向上平移，使均衡国民收入以投资增量的等量增加
【单选题】
消费—收入分析中，消费函数曲线在纵轴（消费轴）的截距和斜率分别为___
A. 自主消费 边际消费倾向
B. 引致消费 平均消费倾向
C. 自主消费 平均消费倾向
D. 引致消费 边际消费倾向
【单选题】
其他条件保持不变，投资增加将引起___
A. 国民收入增加，消费水平提高
B. 国民收入增加，消费水平下降
C. 国民收入增加， 储蓄水平下降
D. 国民收入增加，消费水平不变
【单选题】
一般的说，位于LM曲线左方的收入和利率组合，都是___
A. 货币需求大于货币供给的非均衡组合
B. 货币需求等于货币供给的均衡组合
C. 货币需求小于货币供给的非均衡组合
D. 不确定，跟产品市场有关
【单选题】
总需求曲线向右下方倾斜是因为___
A. 边际效用递减，价格水平下降时，人们的购买数量才会增加
B. 价格水平下降，真实余额增加，均衡支出增加
C. 扩张的财政政策，增加了均衡的支出水平
D. 扩张的货币政策降低了利率，从而增加了投资和均衡的支出水平
【单选题】
古典的总供给曲线是垂直的，造成这一形状的主要原因在于其假定前提是___
A. 劳动力市场的运行毫无摩擦
B. 价格变动对货币工资没有影响
C. 充分就业通过工资的迅速调整得以维持
D. 以上都正确
【单选题】
垂直的长期总供给曲线表明，如果价格可以充分调节，那么___
A. 任何价格水平下，充分就业的国民收入都是一致的
B. 产出仅取决于总需求水平
C. 均衡的实际国民收入不能确定
D. 价格水平仅由总供给决定
【单选题】
如果经济运行处于总供给曲线的向上倾斜的部分，则总需求的增加会___
A. 使物价水平上升，但实际国民收入并不提高
B. 使实际国民收入提高，但物价水平并不上升
C. 使物价水平上升，同时实际国民收入提高
D. 物价水平并不上升，实际国民收入也并不提高
【单选题】
假设已实现充分就业，且总供给曲线为正斜率，则总需求曲线左移会降低___
A. 实际工资、就业量和实际产出
B. 名义工资、就业量和实际产出
C. 劳动生产率和实际产出
D. 劳动需求、就业量和实际工资
【单选题】
工资刚性是指以下哪种情况___
A. 工人的超时劳动不能得到补偿
B. 工资完全不因需求或供给的变动而做出调整
C. 当针对新合同谈判时，工人得不到加薪
D. 当物价变动时，工资不能自动做出调整
【单选题】
假设工资是刚性的，当劳动需求曲线向左移动时，___
A. 目前工资高于市场出清水平，劳动供给超过劳动需求，导致失业
B. 目前工资低于市场出清水平，但劳动供给超过劳动需求，导致失业
C. 劳动工资下降到新的市场出清水平，但劳动供给超过劳动需求，导致失业
D. 工资高于市场出清水平，劳动需求超过劳动供给，导致失业
【单选题】
下面关于通货膨胀表述正确的是___
A. 货币的发行量超过流通中的黄金量
B. 货币发行量超过流通中货品的价值量
C. 货款数量超过了存款的数量
D. 一般物价水平显著的持续上涨
【单选题】
菲利普斯曲线说明的问题是___
A. 通货膨胀将会导致失业
B. 通货膨胀是由行业工会引起的
C. 通货膨胀和失业率之间呈负相关，表明二者之间有替代关系
D. 通货膨胀和失业率之间呈正相关，表明二者之间相互促进
【单选题】
经济增长的表现为___
A. 一个国家或地区失业率的下降
B. 一个国家或地区先进技术的广泛应用
C. 一个国家或地区城市化速度的加快
D. 一个国家或地区的产品和劳务总量的增加
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