"The main source of rouble weakening and accelerating inflation is soft monetary policy," Oreshkin wrote.
"The central bank has all the tools to normalise the situation in the near future and ensure that lending rates are reduced to sustainable levels.
Last week, Russia effectively abandoned its budget rule, with the central bank halting the finance ministry's FX purchases to try and reduce volatility.
"The central bank is not fully in control," independent Moscow-based economist Ian Melkumov told Reuters, although it has aggressive tools that it is currently reluctant to use.
"(But) the central bank doesn't want to kill the economy and businesses in the same way it had to last year."
Persons:
Kremlin, Rouble, Vladimir Putin's, Putin, Maxim Oreshkin, Oreshkin, Timothy Ash, Ian Melkumov, Alexander Marrow, Gareth Jones
Organizations:
TASS, Kremlin, of Russia, Moscow News Agency, Handout, REUTERS, Reuters, BlueBay Asset Management, Thomson
Locations:
MOSCOW, Ukraine, Russia, Moscow, London