 Our numerical experiment also demonstrates that , in various risk models used in practice, our MCMC estimator has smaller bias and MSE compared with these of existing estimators.
<clarity>  Our numerical experiment also demonstrates that , in various risk models used in practice, our MCMC estimator has smaller bias and MSE compared with these of existing estimators.
 Our numerical experiment also demonstrates that , in various risk models used in practice, our MCMC estimator has smaller bias and mean squared error compared with existing estimators.