RDP 2011-06: Does Equity Mispricing Influence Household and Firm Decisions? Equation

\begin{array}{l} Δ {\tilde{y}}_{1 t} = - {(B_{11}^{0})}^{- 1} B_{12}^{0} Δ y_{22 t} - {(B_{11}^{0})}^{- 1} {[α^{*} β']}_{11} {\tilde{y}}_{1 t - 1} \\ - {(B_{11}^{0})}^{- 1} {[α^{*} β^{'}]}_{12} y_{22 t - 1} - {(B_{11}^{0})}^{- 1} B_{11}^{2} Δ {\tilde{y}}_{1 t - 1} \\ - {(B_{11}^{0})}^{- 1} B_{12}^{2} Δ y_{22 t - 1} + {(B_{11}^{0})}^{- 1} {\tilde{ε}}_{t}^{P, T} \end{array}