V2EX aggregate demand

Aggregate Demand

Definition / 定义

总需求:在一定时期内、在各种价格水平下,一个经济体对最终产品与服务的计划购买总量(通常用实际GDP来衡量)。宏观经济学中常写作 **AD = C + I + G + (X M)**。该词组在其他语境中也可按字面理解为“汇总的需求”,但最常见用法是宏观经济概念。

Pronunciation / 发音

/rt dmnd/

Examples / 例句

Higher wages can increase aggregate demand.
更高的工资可能会提高总需求。

If interest rates rise sharply, investment may fall, reducing aggregate demand and slowing economic growth.
如果利率大幅上升,投资可能下降,从而减少总需求并放缓经济增长。

Etymology / 词源

aggregate 源自拉丁语 aggregare,意为“聚集、合并”;demand 源自古法语 demander,意为“要求、请求”。合在一起,字面意思是“汇总后的需求”,在20世纪宏观经济学(尤其是凯恩斯主义传统)中发展为描述整体经济支出水平的核心术语。

Related Words / 相关词

Literary Works / 文学作品

  • John Maynard Keynes, The General Theory of Employment, Interest and Money(《就业、利息和货币通论》)
  • Paul A. Samuelson & William D. Nordhaus, Economics(《经济学》)
  • N. Gregory Mankiw, Principles of Economics(《经济学原理》)
  • Paul Krugman & Robin Wells, Macroeconomics(《宏观经济学》)
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