Employers also forget the cost of not hiring someone. The value of the work not done, missed opportunity etc all add up. So basically the economic is something

Employers also forget the cost of not hiring someone. The value of the work not done, missed opportunity etc all add up. So basically the economic is something like [Cost of Not Hiring] = [Value of Missed work] - (1- ([%fit of applicant])) * [cost of employee mismatch] ;