Methodological Report on Kaul and Wolf's Working Papers on the Effect of Plain Packaging on Smoking Prevalence in Australia and the Criticism Raised by OxyRomandie

This report contains a methodological assessment of two working papers by Ashok Kaul and Michael Wolf on the effect of plain packaging on smoking prevalence in Australia and the criticism raised against these working papers by OxyRomandie. First, the potential of the data used by Kaul and Wolf for identifying causal effects is discussed. Second, a reanalysis of the data is provided. Third, the criticism raised by OxyRomandie is commented.