V2EX aggregate-demand

Aggregate demand

释义 Definition

总需求:在一定时期内、在既定价格水平下,一个经济体中所有部门(家庭、企业、政府及国外部门)对最终商品与服务的总购买需求。宏观经济中常写作 **AD = C + I + G + (X M)**。除这一常见宏观含义外,在一般语境中也可指“总体需求”。

发音 Pronunciation (IPA)

/rt dmnd/

例句 Examples

Aggregate demand rose after interest rates were cut.
降息后,总需求上升了。

When aggregate demand falls while prices remain sticky, firms may reduce output and lay off workers.
当总需求下降而价格又具有粘性时,企业可能会减少产出并裁员。

词源 Etymology

aggregate 源自拉丁语 aggregare,意为“聚集、集合”;demand 源自古法语 demander,意为“要求、需求”。组合成 aggregate demand,直译为“汇总起来的需求”,在宏观经济学中固定指“总需求”。

相关词 Related Words

文学与著作 Literary Works

  • John Maynard Keynes, The General Theory of Employment, Interest and Money(《就业、利息和货币通论》)围绕有效需求与总需求相关机制展开讨论。
  • N. Gregory Mankiw, Principles of Economics(《经济学原理》)在总供给总需求(AS-AD)框架中系统使用该术语。
  • Paul Krugman & Robin Wells, Macroeconomics(《宏观经济学》)以总需求冲击解释经济波动与政策应对。
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