Sandbox

$INCOMELT{1}_{\gamma }^t=AnalFunc(GDPPC{P}_{\gamma },GINIDO{M}_{\gamma })*INCOMELT1R{I}_{\gamma }^{t-1}$

where

$INCOMELT1R{I}_{\gamma }^{t-1}=\frac{\mathbf{𝐈}\mathbf{𝐍}\mathbf{𝐂}\mathbf{𝐎}\mathbf{𝐌}\mathbf{𝐄}\mathbf{𝐋}\mathbf{𝐓}{I}^{t-1}\gamma }{AnalFunc(GDPPC{P}_{\gamma }^{\gamma -1},GINIDO{M}_{\gamma }^{t-1})}$