6.2　Sensitivity Analysis onμ

μrefers to the capacity of handling unexpected natural disasters.We take differentμvalues to test the impact of the capacity on the evaluation results as shown in Figure 4.

As can be seen,has little impact on the sustainable development on the whole.But the higher theμvalue is,the more smoothly the country deals with sudden disasters,instead of paying a high price to return to the normal level.

Figure 4　The influence ofμfor sustainability