an autoregressive integrated moving average (ARIMA) model, applied to Italy, Russia, and the USA The analysis is ….worldometers.info/coronavirus/). The best ARIMA models were Italy (4,2,4), Russia (1,2,1), and the USA (6,2,3). The results showed that: i) ARIMA models … are reliable enough when new daily cases begin to stabilize; ii) Italy, the USA, and Russia reached the peak of COVID-19 …

Preliminary data on Russia's economic results of 2015, as well as the current trends in the global energy market, give … grounds for revising down possible scenarios for Russia's economy in 2016-2017. For instance, a scenario of yearly average oil … prices staying at $35 a barrel in 2016 is now the baseline scenario, whereas $50 a barrel is considered optimistic (Russia …