V2EX cap and trade

Cap And Trade

释义 Definition

“cap and trade”(总量控制与交易)是一种环境政策工具:政府先设定污染物(常见为二氧化碳)排放的总量上限(cap),再把排放配额分配或拍卖给企业;企业之间可以买卖配额(trade)。排放更少的企业可出售剩余配额,排放较多的企业则需购买配额,从而用市场机制推动减排。

发音 Pronunciation

/kp n tred/

例句 Examples

Many countries use cap and trade to cut carbon emissions.
许多国家采用总量控制与交易来减少碳排放。

Cap and trade can reduce emissions efficiently, but it requires careful monitoring and fair allowance allocation to prevent market abuse.
总量控制与交易可以高效地减少排放,但需要严格监管与公平的配额分配,以防止市场被滥用。

词源 Etymology

该短语由两个常用英语词组成:cap 表示“上限/封顶”(引申为设定总量限制),trade 表示“交易/买卖”。在环境政策语境中,它用于概括一种“先定总量上限、再用交易实现资源配置”的制度设计。该术语在20世纪末至21世纪的环境经济与气候政策讨论中广泛流行。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Hot, Flat, and Crowded Thomas L. Friedman(讨论气候政策工具,常涉及 cap-and-trade 等机制)
  • The Climate Casino William Nordhaus(系统比较气候政策路径,包含对总量控制与交易的讨论)
  • Climate Change: What Everyone Needs to Know Joseph Romm(面向大众的气候科普与政策解读,常提及 cap-and-trade)
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