澳大利亚竞争与消费者委员会：2018年澳洲汽油价格周期报告（英文版）

It is important to note that not all retail sites increase prices at the same time. Typically, during a price cycle, a small number of retail sites increase prices first, and others follow over several days. This provides opportunities for motorists to notice prices beginning to increase, seek out lower prices at other retail sites and fill up. Longer cycles in the eastern capital cities (i.e. Sydney, Melbourne, Brisbane and Adelaide) in recent years have resulted in longer delays between the