They often have an incentive to reduce waste anyway, since most already pay for disposal by volume.

无论如何，他们往往有减少废弃物的动力，因为大多数企业按量支付废弃物处理费。

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But Friday's moves were slim, as a dearth of news and low trading volume gave investors little incentive to take a stand ahead of the long New Year-holiday weekend.

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With the IOR rate far above the 90-day T-bill rate, banks had no incentive to do anything with the huge volume of newly created reserves other than to sit on them, and sit on them they did.

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They often have an incentive to reduce waste anyway, since most already pay for disposal by volume.

ECONOMIST: Less is more