V2EX cap-and-trade

Cap-and-Trade

定义 Definition

“总量控制与交易”:一种环境政策工具。政府先设定污染物(常见为温室气体)排放的总上限(cap),再把排放配额分配或拍卖给企业;企业之间可买卖配额(trade),从而用市场机制以较低成本实现减排。

发音 Pronunciation (IPA)

/kp n tred/

例句 Examples

Cap-and-trade can reduce carbon emissions.
总量控制与交易可以减少碳排放。

Under a cap-and-trade program, companies that cut emissions cheaply can sell unused allowances to firms facing higher costs, helping the whole economy meet the cap more efficiently.
在总量控制与交易体系下,能以较低成本减排的企业可以把剩余配额卖给减排成本更高的企业,从而让整个经济体更高效地达到排放上限。

词源 Etymology

该短语由 cap(上限、封顶) + and + trade(交易) 组合而成,直观描述政策的两步:先“设上限”,再“允许交易”。作为现代环境经济学与监管政策术语,它在20世纪后期随空气污染与碳排放治理讨论而普及。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Thomas L. Friedman, Hot, Flat, and Crowded(讨论气候政策工具,提及 cap-and-trade)
  • Naomi Klein, This Changes Everything: Capitalism vs. the Climate(在气候政策批评与比较中谈到 cap-and-trade)
  • William Nordhaus, The Climate Casino(讨论气候治理的经济学方案,涉及 cap-and-trade)
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