Fig. 2
From: Shock and awe or incentive-compatible harm reduction? Graphic health warnings on tobacco packages
US monthly per capita sales (in log) and prices, 1995–2005. Sources: US monthly cigarette sales are from https://www.ttb.gov/tobacco/tobacco-stats.shtml. Prices are from Federal Reserve Bank of St Louis: CWSR0000SEGA, Consumer Price Index for Urban Wage Earners and Clerical Workers: Tobacco and smoking products, Index 1982–1984 = 100, Monthly, seasonally adjusted