expense of high inflation since these two goals (low inflation and low unemployment rate) are hard to achieve at the same time; 共和黨當政,會反過來,they will try to keep inflation low at the cost of higher unemployment rate, 他們覺得高失業率是公平競爭的自然結果。。。This is the so called "trade off theory".
現在這些都是短期的,看了一下指標,經濟蕭條機率目前還是低的