It could take 10 years to measure the impact of legalising weed

Should New Zealand’s proposed law be even stronger?
The Conversation (UK)
Tuesday, August 11, 2020

The referendum on legalising recreational cannabis use is just over a month away. Campaigns for and against the change are well under way. We’ve had expert reports from the Helen Clark Foundation, the Office of the Prime Minister’s Chief Science Advisor, the New Zealand Institute of Economic Research and meetings around the country to discuss the likely effects of the Cannabis Legalisation and Control Bill (CLCB). So, what can be learned from other countries that have already legalised cannabis or reformed their laws? And how does New Zealand’s proposed law stack up against the overseas evidence?