Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Multifrequency-based non-linear approach to analyzing implied volatility transmission across global financial markets · Sankore

Multifrequency-based non-linear approach to analyzing implied volatility transmission across global financial markets

2022Oeconomia CopernicanaJournalOpen access

10.24136/oc.2022.021 Full text13 citations

Authors

5 authors across 2 institutions in 2 countries.

Ebenezer BoatengFirst author
- University of Cape Coast (GH)
Zulaiha Hamidu
- University of Cape Coast (GH)
as printed: Emmanuel Asafo-Adjei
John Gartchie Gatsi
- University of Cape Coast (GH)
Ştefan Cristian Gherghina
Liliana Nicoleta SimionescuSenior author

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Market Dynamics and Volatilitylevel 3 · 1.00
Complex Systems and Time Series Analysislevel 3 · 0.99
Financial Risk and Volatility Modelinglevel 3 · 0.99

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

crossrefseen September 6, 2026
2022 · Oeconomia Copernicana · 13 citations
10.24136/oc.2022.021
openalexseen September 5, 2026
2022 · Oeconomia Copernicana · 13 citations
https://openalex.org/W4298141684