Analysis: Russia's falling oil revenues could create vicious circle for budget, rouble
Russia's attempts to plug its budget deficit by selling foreign currency reserves could lead to a vicious circle that pushes the rouble higher and further reduces the Kremlin's crucial export revenues, analysts say.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Analysis: Russia's falling oil revenues could create vicious circle for budget, rouble

### Response: Russia's attempts to plug its budget deficit by selling foreign currency reserves could lead to a vicious circle that pushes the rouble higher and further reduces the Kremlin's crucial export revenues, analysts say.