乌克兰：消费者价格指数调查团技术援助报告（2025年11月17日至21日）

UKRAINEReport on Consumer Price Index Mission(November 17–21, 2025) APRIL2026 Prepared ByRagnhild Nygaard Authoring Department:Statistics Department DISCLAIMER “The contents of this document constitute technical advice provided by the staff of the InternationalMonetary Fund to the authorities of Ukraine (the "CD recipient") in response to their request for technicalassistance. This document (in whole or in part) or summaries thereof may be disclosed by the IMF to theIMF Executive Director for Ukraine, to other IMF Executive Directors and members of their staff, as wellas to other agencies or instrumentalities of the CD recipient, and upon their request, to World Bank staff, Table of Contents Acronyms..................................................................................................................................................... 2 Summary of Mission Outcomes and Priority Recommendations.......................................................... 3 Detailed Technical Assessment and Recommendations ....................................................................... 4 A.Exploiting New Data Sources in Ukraine CPI .......................................................................................... 5B.Data Delivery ........................................................................................................................................... 7C.Data Preparation - Data Cleaning, Filtering and Classification ............................................................... 8D.Index Compilation Methods ................................................................................................................... 10 Acronyms COICOPClassification of Individual Consumption According to Purpose CPIConsumer Price Index EAElementary AggregateGTINGlobal Trade Item NumberHPHomogenous ProductIQRInterquartile Range MethodMLMachine LearningNANational AccountsSSSUState Statistics Service of UkraineSTSState Tax Service of UkraineTATechnical Assistance Summary of Mission Outcomes and PriorityRecommendations 1.A technical assistance(TA) mission was conducted during November 17–21, 2025, inVienna, Austria, to assist the State Statistics Service of Ukraine (SSSU) in their efforts to makeuse of new data sources in the Consumer price index (CPI).The mission represented the second 2.The SSSU plans to make use of administrative data obtainedfrom the State Tax Serviceof Ukraine (STS).These transaction data are generated by cash register machines that retailers arelegally required to use. Currently, the SSSU does not have access to regular data flows from the STS; theSSSU is in final stages of formalizing the necessary legal arrangements to secure data from the tax 3.The SSSU, through its external consultants, is developing an extensive framework fordata preparation and index compilation covering the entire CPI basket.In addition to transactiondata from the tax authorities, it is planned to incorporate data obtained via APIs, web scraping and social 4.Implementing new data sourcesin the CPI has the potential to enhance index quality byexpanding item, outlet, and time coverage, resulting in more reliable and accurate measure ofinflation which is essential for informed policymaking by the authorities and the IMF.Furthermore,the use of modern data sources is expected to reduce field data collection costs. The proposed changesin the CPI are, however, comprehensive and will affect the entire CPI basket. In light of this, the mission 5.In parallel with the STS testing, it is recommended to prioritize the use of openlyaccessible API-based data solutions before developing approaches for web scraped and socialmedia data.Alternatively, it is recommended to consider launching separate, stand-alone projects for The mission also stressed the importance of actively involving CPI staff in the actualrunning of the IT code for data preparation and compilation of the EA price indices. These 7.Proposed methodology for data preparation and index compilation wascollaborativelyreviewed with the mission participants. The different methods were demonstrated using a synthetic To support progress in the above work area, the mission recommended a detailed one-year action plan with the following priority recommendations. Detailed Technical Assessment and Recommendations A.EXPLOITING NEW DATA SOURCES IN UKRAINE CPI 10.The SSSU plans to make use of administrative datafrom the State Tax Service ofUkraine (STS) recorded by cash register machines that retailers are legally required to use. Currently, the SSSU does not have access to regular data flows from the STS; they are in final stages offormalizing the necessary legal arrangements to secure data from the tax authorities. A resolutionestablishing the framework for data exchange is currently under review by the Ministries in Ukraine. Itsapproval status remains uncertain. If approved, the STS data, including one year of historical data, isexpected to be