GBV’s Summary of OECD Consumer Price Index and Headline Inflation Rates Report – November 2023 Key Findings: General Trend of Inflation: The OECD headline inflation eased slightly to 6.2% in September 2023, down from 6.4% in August. This change follows previous increases in July and August. Inflation decreased in 27 OECD countries but rose in 8, including significant rises in Spain, Costa Rica, Slovenia, and Türkiye. Notably, Türkiye, Hungary,