Table 3 There are 12 pairwise comparison matrices in all: One for the criteria with respect to the goal, which is shown here in Table 3, two for the subcriteria, the first of which for the subcriteria under flexibility: location, time and work, that is given in Table 4 and one for the subcriteria under opportunity that is not shown here. Then, there are nine comparison The following is a simple decision examined by someone to determine what kind of job would be best for him/her after getting his/her PhD: either to work in two kinds of companies or to teach in two kinds of schools. The goal is to determine the kind of job for which he/she is best suited as spelled out by the criteria. Because of space limitations we will not define them in detail here (for more detail see Saaty, 1994; Saaty and Vargas, 2000) (Figure 1).