\begin{eqnarray}
  \label{eq:vBar}
\ifnumSw  \perc{\vFunc}(\Wage_t,\cdot) & \approx & \grave{\vFunc}(\Wage_t,\cdot)-(\kappa/\Pi)\sigma^{2}_{\Psi} \label{eq:vApproxSticky}
\ifslides{}{.}
\end{eqnarray}
