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$INCOMELT2_{\gamma }^{t}=AnalFunc(GDPPCP_{\gamma },GINIDOM_{\gamma })*INCOMELT2RI_{\gamma }^{t-1}$

where

Failed to parse (syntax error): {\displaystyle INCOMELT2RI^{t-1}_{\gamma}=\frac{INCOMELT2}^{t-1}_[\gamma}}{AnalFunc(GDPPCP^{\gamma-1}_{\gamma},GINIDOM^{t-1}_{\gamma})}}