In 2007, Coulter and Coulter showed two advertisements to randomly selected groups of customers. Each advertised £10 off flights to Turkey. One listed the tickets at £188. The other showed a higher price: £233.
In 2007, Coulter and Coulter showed two advertisements to randomly selected groups of customers. Each advertised £10 off flights to Turkey. One listed the tickets at £188. The other showed a higher price: £233.
