Business cycle: fluctuations in economic activity, such as employment and production.
Increasing the amount of money in the economy stimulates the overall level of spending and thus the demand for goods and services.
Higher demand may overtime cause firms to raise their prices, but in the meantime, it also encourage them to increase the quantity of goods and services they produce and to hire more workers to produce those goods and services.
More hiring means lower unemployment.引自第13页
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