In principle, the demand response is more nimble, but it has been greatly dulled by a wide variety of subsidies and distortions in fast-growing emerging markets.

• 原则上，需求的反应理应更加迅速，但由于迅速增长的新兴市场补贴繁多、市场扭曲变形，需求的反应变得非常迟钝。