Table 3.

Sensitivity indices for the model parameters.

Parameter	Sensitivity index
$\pi$	＋0.7392
$\beta$	＋1.0000
$\alpha$	＋0.1059
$\sigma$	＋0.0002
$\mu$	−0.0028
$p$	＋0.0002
$\delta$	＋0.0005
$\omega$	−0.8920
${\gamma }_1$	−0.9999
${\gamma }_2$	−0.1056