I- "Gazeta.Ru", icaphuna umbono wochwepheshe, ibika ukuthi ukusetshenziswa kwe "borscht index" ukuhlola amandla okuthenga ezakhamizi kuphelelwe yisikhathi futhi kudinga ukushintshwa okwanele.
UPetr Pushkarev, umhlaziyi omkhulu weTeleTrade, uthe okubi kakhulu kwefomula enjalo ithonya elinamandla lezici ezahlukahlukene zonyaka kuyo. Uphakamisa ukuthi kubalwe ngokwehlukana i-Core CPI, okungukuthi, inkomba yamanani wabathengi "emsulwa", ngaphandle kwemikhiqizo yonyaka. Le modeli isetshenziswa kabanzi emazweni aseNtshonalanga.