Consuming cannabis in combination with alcohol is common among Australian cannabis users. This paper investigates whether the economic relationship between cannabis and alcohol is affected by the manner in which these two substances are used. Our results indicate that cannabis and alcohol are economic complements for all cannabis users, but this relationship is stronger for cannabis users who tend to use alcohol and cannabis together, whom we refer to as polysubstance users. Separate analysis by gender suggests that cannabis consumption by polysubstance and non‐polysubstance using males is more responsive to changes in the full price of alcohol than their female counterparts.

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Most Australian capital cities require many 100,000s of additional dwellings to accommodate demographic change and population pressures in the next two or three decades. Urban growth will come in the form of infill, consolidation and urban expansion. Plans to redevelop environmental amenities such as parks and open green spaces are regularly being put forward to local councils and State governments. Maintaining parks and reserves represents one of the largest costs to local councils. To aid in the evaluation of some of the different propositions, we report the results of a spatial hedonic pricing model with fixed effects for Adelaide, South Australia. The results indicate that the private benefits of a close proximity to golf courses, green space sporting facilities, or the coast, are in the order $0.54, $1.58, and $4.99 per metre closer (when evaluated at the median respectively). The historic Adelaide Parklands add $1.55 to a property's value for each additional metre closer. We demonstrate how the estimated model could be used to calculate how local private benefits capitalized in property values change with changes in the configuration of a park.

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