Good Year:
\(N^{{}^{\prime}}=\par
\begin{bmatrix}(\left(1-d_{1\ }\left(1-c\right)\right)\left(S_{1}+\left(\frac{v}{f}\right)\right)&\left(\left(1-\mu\right)d_{2}S_{2}\right)\left(1-c\right)\\
\left(\left(1-\mu\right)d_{1}\left(S_{1}+\left(\frac{v}{f}\right)\right)\right)\left(1-c\right)&\left(1-d_{2}\left(1-c\right)\right)S_{2}\\
\end{bmatrix}N\) (2)