Under a cap-and-trade system, in contrast, aninvention that reduced the cost of cutting carbon emissions could itself pushdown the price of permits, reducing investors' returns.

相比来说，“限制排放与交易许可”机制在降低碳排放的成本的同时也得降低许可的价格和投资者的回报。

youdao

The reputation system of current technical market is not perfect, which makes the bargain cost large and trade the inefficiency and thus limited the extending of market scale.

目前技术市场不完善的信用体系使得交易成本上升，交易效率低下，限制了交易规模的扩大。

youdao

Scientific trade system can fix price and reduce trade cost effectively so that market is stable.

科学合理的交易制度可以有效地定价和降低交易成本，保持市场的流动性、稳定性。

youdao

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30

In a moment, we'll tell you about the fight over the trillions of dollars that this cap and trade system will cost.

NPR: Senate to Vote on Carbon Cap-and-Trade Bill

Although most economists argue that a carbon tax would be the most efficient solution, Sir Nicholas is neutral between a carbon tax and the other ways of raising the cost of emitting carbon by regulation or a cap-and-trade system.

ECONOMIST: Climate change