The case study describes an experiment carried out by the Economist magazine to test the hypothesis that people will choose a price option based on the alternative options rather than based on the actual price of the goods on offer.
Sedley, R. (2017, June 29). The Economist: a pricing experiment [Video file]. In The Business & Management Collection, Henry Stewart Talks. Retrieved September 22, 2017, from https://hstalks.com/bm/3538/.