Southern Vectis who, in 1987, investigated the company and found their behaviour to be anti-competitive. It was alleged that Southern Vectis was engaged in "duplication", running buses immediately ahead of competitors' where routes coincided, and having their drivers lie in wait for competitors' vehicles in order to beat them to waiting passengers. In 1991, duplication tactics were seen again when Southern Vectis shadowed an Isle of Wight County Council contracted bus run by Norman Baker Taxis. In 1986, Southern Vectis acquired Newport bus station as part of their privatisation and refused competitors access to it. The Office of Fair Trading report, published
Roman Britain in the late 1st century AD and thereafter declined as a result of an increasing reliance on local products by the population of Britain, caused by economic development on the island and by the Roman state's desire to save money by shifting away from expensive long-distance imports. Evidence has been outlined that suggests that the principal decline in Roman Britain's continental trade may have occurred in the late 2nd century AD, from 165 AD onwards. This has been linked to the economic impact of contemporary Empire-wide crises: the Antonine Plague and the Marcomannic Wars. From the mid-3rd century onwards, Britain