1. Department of Applied Economics, National Research University Higher School of Economics, Moscow, Russia
2. Theoretical Physics Department, P.N.Lebedev Physical Institute, Moscow, Russia
3. School of Applied Mathematics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
4. Research and Forecasting Department of the Bank of Russia, Bank of Russia, Moscow, Russia
5. Department of Macroeconomics, Financial Research Institute of the Ministry of Finance of the Russian Federation, Moscow, Russia