The effect is direct when it comes to oil prices. Although oil accounts for a smaller part of the energy mix nowadays and spare capacity is currently well ensured, chiefly by Saudi Arabia, a price shock would still have global effects – as such shocks have had in the past.
但这并不意味着美国可以采取公然的能源孤立。毕竟，能源是一种全球商品。油价的影响是直接的。尽管如今石油占能源组合的比重有所下降，冗余产能（主要在沙特阿拉伯）目前也得到了很好的保护，但价格冲击仍有可能影响全球——一如过去所发生过的价格冲击。