What Proportion of Gambling Revenue is Derived from Problem Gamblers?

The below link is a Canadian presentation that talks about the proportion of gambling revenue that is derived from problem gamblers. Interesting read for methodology and policy as compared to other risk behaviors.

Dr. Robert Williams & Dr. Robert Wood
University of Lethbridge
Alberta, Canada
Alberta Gambling Research Institute Conference
Banff, Alberta
April 2016

https://prism.ucalgary.ca/bitstream/handle/1880/51141/Williams_AGRI2016_What_Proportion_of_Gambling_Revenue_is_Derived_from_PG.pdf?sequence=18