Research suggests the ban was particularly effective at raising awareness about the risks of second-hand smoke - people were motivated to protect those they smoked around, as well as looking after their own health
References [1] Discussed in several documents retrieved from Truth Tobacco Industry Documents [2] 'THE PAXTON PACKAGE Consumer Research In Fresno, California and Tulsa, Oklahoma', a report by William Esty and Co for R J Reynolds, September 1963 [3] Memo for W A Sugg to W S Smith (Philip Morris Vice President) about the Paxton trial in Tulsa and Fresno, retrieved from Truth Tobacco Industry Documents [4] 'The Maxwell Report (1968)' from the Tobacco Reporter, volume 95 No
in June 1965, the tobacco industry conducted a preliminary consolidation of trademarks, with Shanghai retaining 20 brands across 7 grades, and "CHIENMEN" remained the top Grade B brand
In addition, data pre-processing was done to detect the brands that have been present on the market in the three sub-periods 20052021, 20052010 and 20112021
