Sandbox

$INCOMELT{2}_{\gamma }^t=AnalFunc(GDPPC{P}_{\gamma },GINIDO{M}_{\gamma })*INCOMELT2R{I}_{\gamma }^{t-1}$

where

$INCOMELT2R{I}_{\gamma }^{t-1}=\frac{INCOMELT{2}_{\gamma }^{t-1}}{AnalFunc(GDPPC{P}_{\gamma }^{\gamma -1},GINIDO{M}_{\gamma }^{t-1})}$