Russia’s Finance Minister Anton Siluanov. The minister warned that oil prices are likely to remain at their current low level in the long term and so Russia must adjust its budget to make up for lost revenue. Photo: Reuters. Reuters MOSCOW—Lower oil prices are here to stay for the long term and the country’s budget should be adjusted accordingly, Russia’s finance minister said Wednesday. “The new oil prices, between $80 and $90 a barrel, most probably will stay in the mid to long-term,” Anton Siluanov told the upper house of parliament, before it formally approved the country’s budget for the next three years. Russian budgetary expenses have been growing faster than inflation for years while oil prices remained high. The country’s budget for the next year is still based on an average oil […]