Variations in Regulated Cannabis Sales Conditions and Their Effect on Purchase Behaviour: Findings from an Observational Study

Abstract Introduction: Many countries are exploring regulations for non-medical cannabis markets to mitigate cannabis-related health risks. Regulations such as restricting opening hours or product variability may be useful tools, yet their effects on cannabis purchases remain understudied due to a lack of comprehensive sales data. Methods: The Züri Can study implements a framework for strictly regulated cannabis sales, with a fixed product portfolio and a maximum purchase volume. The dataset contains all tracked purchases of 2,507 participants from August 22,