Every 10 percent increase in the price of cigarettes reduces consumption by about four percent among adults and about seven percent among youth.  https://www.lung.org/policy-advocacy/tobacco/tobacco-taxes#:~:text=Increasing%20Cigarette%20and%20Tobacco%20Product%20Taxes&text=Every%2010%20percent%20increase%20in,about%20seven%20percent%20among%20youth.