本次CPI基期轮换涉及到哪些内容？国家统计局回应

Group 1 - The National Bureau of Statistics released the first data on the Consumer Price Index (CPI) and Producer Price Index (PPI) based on the 2025 benchmark, marking the first data release after the benchmark rotation [1] - The benchmark rotation involves adjustments to the survey classification directory, survey points (enterprises), representative specifications, classification weights, and price comparison benchmarks [1] Group 2 - The CPI benchmark rotation includes revisions to the survey classification directory, which now reflects new consumer trends by adding categories such as housing security equipment, elderly products, dishwashers, automotive electricity, photography services, internet medical services, and medical beauty services [2] - The category "Food, Tobacco, and Alcohol" has been renamed to "Food, Tobacco, Alcohol, and Dining Out," and "Tourism" has been renamed to "Travel Agency and Other Tourism Services" to better reflect changes in consumer spending [2] - A new travel service price index has been introduced, covering categories like airplane tickets, train tickets, accommodation, vehicle rentals, and travel agency services [2] Group 3 - Approximately 120,000 survey points and about 620,000 representative specifications were selected for the CPI survey, expanding the coverage compared to the previous benchmark [3] - New retail formats such as membership-based supermarkets and instant retail platforms have been included as survey points, along with representative specifications like smart drones [3] - The data collection methods for CPI have been optimized, with increased use of big data applications such as online transaction prices, enterprise electronic data, and administrative records [3] Group 4 - The CPI weight calculation follows principles of objectivity, authenticity, and scientific unity, using internationally comparable methods [3] - After the weight calculation, the new benchmark specifications' prices will be used to recalculate the index for 2025, serving as the new comparison benchmark [3]