--- The true parameters, starting values, parameter estimates, and their standard errors are: --- true pars starting values par estimates standard errors msigmaslow 150.00000 150.65207 150.65207 0.82817 beta_m 0.01000 0.00995 0.00994 0.00004 beta_v 0.10000 0.10575 0.10575 0.02735 sigma 200.00000 200.23232 200.23232 1.56670 rho -0.25000 -0.24442 -0.24442 0.01538