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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 MD_{r,s}=MBASE_{r,s}*(1+(\frac{PRI_{r,s,t-1}*EXRATE_r-MPRIC_{r,s}}{MPRIC_{r,s}}*\mathbf{elastrpr}_s))^{elmpr1}*(1+(\frac{PRI_{r,s,t-1}*EXRATE_r-MPRIC_{r,s}}{MPRIC_{r,s}}-\frac{PRI_{r,s,t-2}*EXRATE_{r,t-1}-MPRIC_{r,s,t-1}}{MPRIC_{r,s,t-1}}*\mathbf{elastrpr}_s))^{elmpr2}}

${\frac {2}{3}}$

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 \frac{subregion_value}\sum_{subregion_values}_*country value}