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$INCOMELT1_{\gamma }^{t}=AnalFunc(GDPPCP_{\gamma },GINIDOM_{\gamma })*INCOMELT1RI_{\gamma }^{t-1}$

where

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle INCOMELT1RI^{t-1}_{\gamma}=\frac{\mathbf{INCOMELTI^{t-1}{\gamma}}{AnalFunc(GDPPCP^{\gamma-1}_{\gamma},GINIDOM^{t-1}_{\gamma})}}