This review produced mixed results regarding policy-driven natural experiments in alcohol prices. With some studies reporting that alcohol consumption, alcohol-related hospitalisations and mortality decrease as alcohol prices increase, while other results were not as universal.
Nelson JP, McNall AD. Alcohol prices, taxes, and alcohol-related harms: A critical review of natural experiments in alcohol policy for nine countries. Health Policy. 2016 Mar;120(3):264–72. Available from; https://www.ncbi.nlm.nih.gov/pubmed/26861971