\begin{eqnarray}
\ifnumber \mathbf{m}_{t+1} & = & \underbrace{{\bf \Wage}_{t+1} \pmb{\ell}_{t+1}}_{\equiv \mathbf{y}_{t+1}} + \underbrace{{\Rfree}_{t+1}}_{1+\rfree_{t+1}} \mathbf{k}_{t+1}
\label{eq:mDef}
\end{eqnarray}
