You could do worse than take a leaf out of the health economists' book.
I surveyed the 50 leading health economists in the country on this question.
Health economists argue that the cost must increase by $1.50 to $2 a pack to have a significant impact.
I saw this in action when on a panel, interviewing health economists.
Some health economists say the added costs will make consumers more cautious about medical spending.
The likely future impact of the disease on those costs terrifies health economists.
Health economists say it will take a mixture of market forces and policy changes to fill the gap.
But most health economists say the opposite is true.
But many health economists and planners say the tests for women under 50 should not be subsidized.
Health economists say that one-fifth of workers who are offered insurance do not take it.