\begin{equation*} \ifnumSw
{p}_{t+1,i} =
  \begin{cases}
    \ifnumSw  {p}_{t,i} \psi_{t+1,i} & \text{if } \pDies_{t+1,i} = 0 \\
    1 & \text{if } \pDies_{t+1,i} = 1. \\
  \end{cases}
\end{equation*}
