But many observers have argued that cheap oil also has a downside, because it exacerbates deflationary tendencies in the advanced countries, which already seem to be mired in a low-growth trap. The sharp fall in oil prices, according to this view, will make it even harder for these countries' central banks to achieve the 2% annual inflation rate that most have targeted in fulfilling their price-stability mandate.
但许多观察家也指出低油价也有其不利之处，因为这会令发达国家的通缩趋势进一步恶化，令到本以似乎陷入低增长陷阱的状况雪上加霜。根据这一观点，油价的迅速下跌会令那些国家的央行更难实现为维持价格稳定任务而设立的每年2%通胀目标