A key characteristic of the contribution margin is that it remains fixed on a per unit basis irrespective of the number of units manufactured or sold. On the other hand, the net profit per unit may increase/decrease non-linearly with the number of units sold as it includes the fixed costs....
Definition 1 ([36]). The spectral radius of two matrices pair is defined as: ρ(A, Ad) := min{|λ||det(A − λAd) = 0|} (9) where λi(A) is the ith eigenvalue of the matrix A and λi(A, Ad) is the generalized eigenvalue of matrix pair A, and Ad. The computation...