-San Francisco Business Times, September 13, 2011 by Steven E.F. Brown
http://www.bizjournals.com/sanfrancisco/news/2011/09/13/legalize-it-says-uc-berkeley-study.html?page=all
“The available evidence suggests that the prevalence of cannabis use among Dutch citizens rose and fell as the number of coffeeshops increased and later declined, but only modestly,” MacCoun wrote…. “The Dutch system serves as a nuanced alternative to both full prohibition and full legalization.”
-The Fix, September 15, 2011 by Jennifer Matesa
http://www.thefix.com/content/coffee-house-study-crashes-gateway-theory9147
He added, “The theory in the Netherlands is that the gateway is more sociological—if I start hanging out with marijuana users, and we buy from street dealers, we’re going to start coming into contact with harder drugs. The study seems to support the Dutch theory that if you can separate the markets, you can reduce the gateway.”