V2EX nonrivalrous

Nonrivalrous

Definition / 定义

nonrivalrous(形容词):非竞争性的、非排他性消耗的。指一种商品或资源被一个人使用时,不会减少他人同时使用它的数量或质量(常用于经济学中描述“公共品”的特征之一)。该词也常见拼写变体 non-rivalrous
(注:公共品通常还具有 non-excludable(非排他性) 这一特征。)

Pronunciation / 发音

/nnravlrs/(美式常见)

Examples / 例句

Street lighting is often described as a nonrivalrous good.
路灯常被描述为一种非竞争性商品。

Although the data are nonrivalrous, access may be restricted by paywalls or licensing.
尽管数据本身是非竞争性的,但获取可能会被付费墙或许可协议所限制。

Etymology / 词源

non- 表示“非、不”,rival 来自拉丁语 rivalis,原指“共用同一条溪流的人”,引申为“竞争者”。**-ous** 是形容词后缀,表示“具有……性质”。合起来 nonrivalrous 即“没有竞争性(消耗不互相挤占)的”。

Related Words / 相关词

Literary Works / 文学作品

  • Paul A. Samuelson, “The Pure Theory of Public Expenditure”(1954):经典公共品理论文本中使用并讨论“nonrivalrous(非竞争性)”概念。
  • Joseph E. Stiglitz, Economics of the Public Sector:公共经济学教材中频繁出现并用于界定公共品。
  • N. Gregory Mankiw, Principles of Economics:在公共品章节用“nonrivalrous”解释国防、路灯等例子。
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