\newcommand{\CGrowDSGE}{
\Delta \log       \mathbf{C} _{t+1} & = & \varsigma + \chi \mathbf{E}[
\Delta \log       \mathbf{C}_{t}  ]
 + \eta \mathbf{E} [\Delta \log       \mathbf{Y} _{t+1}] +
{\alpha} \mathbf{E} _{}[
{     A }_{t} ]
 }
