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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Subst Abus. 2019 Oct 22;41(2):203–207. doi: 10.1080/08897077.2019.1671939

Figure 1. Alcohol Demand Curves.

Figure 1.

Mean self-reports on the Alcohol Purchase Task plotted in double logarithmic coordinates for proportionality and shown separately for young adults that report alcohol use only (n = 316), young adults that report concurrent alcohol and marijuana use (CAM use; n = 63), and young adults that report simultaneous alcohol and marijuana use (SAM use; n = 101). Panel A shows alcohol consumption in standard drinks, and Panel B shows overall alcohol expenditures, both plotted as a function of price per drink. Error bars represent ±1 standard error of the mean.