https://www.stlouisfed.org/on-the-economy/2022/aug/why-sanctions-might-not-end-… Created Tue, 23/08/2022 - 19:30 Updated Tue, 23/08/2022 - 19:30 A study that examined sovereign risk among oil-exporting countries provides insights into why sanctions may not deter Russia, a major oil-exporter.