 of $\bar{r}_{{\mathcal{C}},j}  ({\boldsymbol{\theta}},{\boldsymbol{\theta}}')$ and $\underline{{r}}_{{\mathcal{C}},j}  ({\boldsymbol{\theta}},{\boldsymbol{\theta}}')$. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------  The parameters $\bar{{r}}_{{\mathcal{C}},j}  ({\boldsymbol{\theta}},{\boldsymbol{\theta}}')$, $\underline{{r}}_{{\mathcal{C}},j}  ({\boldsymbol{\theta}},{\boldsymbol{\theta}}')$ are 