Identifying influence pathways of oil price shocks on inflation based on impulse response networks

Yiran Zhao, Xiangyun Gao, Huiling Zheng, Yupeng Zhang, Qingru Sun, Anjian Wang and HaiZhong An

Energy, 2025, vol. 314, issue C

Abstract: This study examines the impact of international crude oil prices on national sub-price indices following external shocks. It analyzes the heterogeneous transmission mechanisms of these shocks across diverse national price index networks. To achieve this, we employ Granger causality tests as the filter to construct impulse response networks. This approach helps unveil the duration, magnitude, and pathways of impact on sub-price indices in five countries: China, the US, Russia, Germany, and the UK. Our findings suggest that the impact of crude oil price changes on national sub-price indices is most pronounced within 1–2 months, and more persistent on the Producer Price Index (PPI) than the Consumer Price Index (CPI). Identifying specific sub-price indices affected by shocks shows that China and the US are more significantly impacted. Moreover, identifying the transmission paths of crude oil price changes within a country's internal price system underscores the significance of the CPI of transportation. This study of price transmission within countries offers key insights for managing economic shocks at the microeconomic level.

Keywords: Brent crude oil price; Price indices; Impulse response function; Complex network; Transmission path (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:314:y:2025:i:c:s0360544224038854

DOI: 10.1016/j.energy.2024.134107

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