Measuring core inflation in Iran and compare it with total inflation

Central banks employ price indexes to explaining monetary policy to the public.; These indexes must cover goods and services consumed by households.; CPI as a principal indicator used as a measure of inflation.In Iran CPI and inflation rate has been computed from 1935.This measure is a laspeyres index and is available at a monthly frequency .Now more and more effort has been made to improve the methodology for calculation CPI and inflation precisely .We have lots of investigation and papers about CPI . Monetary experts try to employ CPI to make fine economic situation . Inflation in Iran , because of some reasons, like unexpected problems in pricing, has a variant and high rate .We are trying to an inflation control target - according to inflation target regime in monetary policy-, measure monthly core inflation .Here some methodologies has been used . These methods are different from other countries ,because pricing system in Iran is different . We compare results of methods and use them to project underlying inflationary trend .We will also see that "can core inflation show long - term trend in price growth in Iran" ," can it support decisions of monetary policy authorities .We will also try to use core inflation not only as a trend indicator , but also as a forecasting tool.; The study’s basic forecasts for 2023 are; to raise Turkey to the level of a developed nation, to make its economic value added, population, trade, human development and technology compatible with those of the world by raising them, and to construct its global positioning on a Multilateral Turkey model.; trends continue, but the necessary trend changes are revealed by structuring the future from today. The second important feature is that it is built on establishing maximum compatibility between global structuring and forecasts for Turkey and on maximum compatibility among politics, security, the economy and social sciences.;