   \newcommand{\CGrowBench}{\Delta \log       \mathbf{c} _{t+1,i}  &=&  \varsigma  + \chi       \Delta \log      \mathbf{c} _{t,i} + \eta           {\mathbf{E}}_{t,i}[\Delta \log       \mathbf{y} _{t+1,i}]+ \alpha {     a }_{t,i}}
