\begin{eqnarray}
\Delta \log \mathbf{c}_{t+1} & = & \varsigma+{\alpha} a_{t} + \eta \mathbf{E}_{t}[\Delta \log \mathbf{y}_{t+1}] + \chi \Delta \log \mathbf{c}_{t} + \epsilon_{t+1} \label{eq:microEuler} \ifnumber
\end{eqnarray}
