title: Comparison of ARIMA and ARIMA Error Regression Models: Evidence from the Russian Consumer Price Index
abstract: Consumer Price Index (CPI) is regarded as a common approach for measuring inflation. The present study examines the Russia CPI in the context of political and social upheavals, especially under the wars and the COVID-19. Due to the unstable political situation, the inflation rate in Russia sharply grow in 2014 and 2022 which creates two of the largest increase over the past decade after the Crimean war and the Ukrainian war were announced, thus it is crutial to make both long-term and short-term
journal: Advances in Economics Management and Political Sciences