Geopolitical Turning Points and Macroeconomic Volatility: A Bilateral Identification Strategy

Jamel Saadaoui

CAMA Working Papers from Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University

Abstract: This paper constructs a new identification method to quantify bilateral geopolitical shocks-geopolitical turning points-- i.e., abrupt, unforeseen state-to-state political turning points. Geopolitical shocks are captured by the second difference of the Political Relationship Index (Δ²PRI), a monthly narrative-based index constructed from Chinese government and media coverage. Unlike conventional global geopolitical risk indicators, Δ²PRI separates sudden departures from bilateral diplomatic paths so causal estimation is possible in a comparative cross-national context. Quantile instrumental variable local projections (IV-LP) are applied in the paper to estimate the dynamic and asymmetric geopolitical shock impact on world oil prices. It is estimated that US-China relational improvements lower oil prices by 0.2% in the short run and increase them by 0.3% in the medium run, with larger effects at the distribution boundaries of oil prices. Replication from Japan-China data establishes external validity. The paper adds a replicable analysis framework to explain how political shocks for dyads with heterogeneous institutional history and strategic rivalry spill over into global economic instability.

Keywords: geopolitical risk; oil prices; quantile local projections; instrumental variables (search for similar items in EconPapers)
JEL-codes: C26 C32 F51 Q41 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2026-02
New Economics Papers: this item is included in nep-cna, nep-ets and nep-ifn
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Persistent link: https://EconPapers.repec.org/RePEc:een:camaaa:2026-08

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