全世界的经济学家、统计学家都在关注着油价的变化、因为国际市场原油价格的震荡,将直接影响到世界经济的走向,并在很大程度上决定各国经济的增长速度,所谓牵一发而动全身。对于宏观经济来说,油价最令人头痛的特点,还在于它的捉摸不定。油价是个变数、这并不稀奇、除了计划经济的特定环境外,任何商品的价格都是变数。让人难以承受的是,近几年的原油价格变动幅度太大,变动速度太 Economists and statisticians all over the world are paying attention to the changes in oil prices because the turmoil in the prices of crude oil in the international market will directly affect the direction of the global economy and to a large extent determine the economic growth of all countries. A whole body moving. For the macroeconomy, the most troublesome feature of oil prices lies in its unpredictability. It is not surprising that oil prices are a variable, and the price of any commodity is a variable except for the specific circumstances of a planned economy. Unbearable is that the price of crude oil in recent years, changes in the magnitude of too much change too fast