Sandbox

$ASARAWDMAT_{\gamma ,\alpha }={\frac {ASARAW_{\gamma ,\alpha }^{t}-ASARAW_{\gamma ,\alpha }^{t-1}}{ASARAW_{\gamma ,\alpha }^{t-1}}}$

<math>ASAGDPDMAT_{\gamma,\alpha}=\frac{ASAGDP^t_{\gamma,\alpha}-ASAGDP^{t-1}_{\gamma,\alpha}}{ASAGDP^{t-1}_{\gamma,\alpha}}