But the effects of so-called quantitative easing also depend on expectations. If giving businesses extra cash makes them more confident, they will spend more.
但所谓的量化宽松的效果也取决于预期。如果给企业更多的钱能增强它们的信心，他们就会花得更多。如果它们不相信这套政策，它们就会把现金囤积起来。