In 2015, the Bank of Russia switched to the policy of inflation targeting. The Bank of Russia takes monetary policy decisions proceeding from an estimate of the current situation and a medium-term forecast. Time lags in the provision of information by statistical agencies are a standard problem in macroeconomic forecasting. Thus, the Russian Federal State Statistics Service (Rosstat) provides a preliminary estimate of the GDP physical volume index in a month and a half after the end of a quarter, while the first estimate of the produced GDP appears in two months and a half and the estimate of the use of GDP comes at the end of a quarter following the reporting quarter. Rosstat monthly estimates the output of goods and services in basic types of economic activity but publishes this estimate in the last days of a month following the reporting month.