Oktay Özkan
About
Oktay Özkan is a scholar working on Economics and Econometrics, Renewable Energy, Sustainability and the Environment and Environmental Engineering.
According to data from OpenAlex, Oktay Özkan has authored 113 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 101 papers in Economics and Econometrics, 61 papers in Renewable Energy, Sustainability and the Environment and 19 papers in Environmental Engineering. Recurrent topics in Oktay Özkan's work include Energy, Environment, Economic Growth (75 papers), Market Dynamics and Volatility (54 papers) and Energy, Environment, and Transportation Policies (51 papers). Oktay Özkan is often cited by papers focused on Energy, Environment, Economic Growth (75 papers), Market Dynamics and Volatility (54 papers) and Energy, Environment, and Transportation Policies (51 papers). Oktay Özkan collaborates with scholars based in Türkiye, Azerbaijan and Cyprus. Oktay Özkan's co-authors include Tomiwa Sunday Adebayo, Ojonugwa Usman, Andrew Adewale Alola, Babatunde Sunday Eweade, Godwin Olasehinde‐Williams, Uğur Korkut Pata, Sinan Erdoğan, Seyi Saint Akadırı, Mehmet Akif Destek and Muhammad Saeed Meo and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and The Science of The Total Environment.
In The Last Decade
Oktay Özkan
102 papers receiving 1.9k citations
Hit Papers
Peers — A (Enhanced Table)
Peers by citation overlap · career bar shows stage (early→late) cites · hero ref
| Name | h | Career | Trend | Papers | Cites | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Oktay Özkan Türkiye | 26 | 1.7k | 890 | 349 | 257 | 136 | 113 | 2.0k | ||
| Qasim Raza Syed Pakistan | 24 | 1.6k 1.0× | 892 1.0× | 334 1.0× | 221 0.9× | 208 1.5× | 55 | 1.8k | ||
| Shahriyar Mukhtarov Azerbaijan | 21 | 1.3k 0.8× | 853 1.0× | 195 0.6× | 387 1.5× | 159 1.2× | 65 | 1.6k | ||
| Lân Khánh Chu Vietnam | 18 | 1.5k 0.9× | 660 0.7× | 336 1.0× | 232 0.9× | 139 1.0× | 43 | 1.8k | ||
| Godwin Olasehinde‐Williams Türkiye | 23 | 1.3k 0.8× | 563 0.6× | 229 0.7× | 184 0.7× | 268 2.0× | 85 | 1.7k | ||
| Adeolu O. Adewuyi Nigeria | 16 | 1.3k 0.8× | 680 0.8× | 234 0.7× | 366 1.4× | 212 1.6× | 44 | 1.6k | ||
| Fakhri Hasanov Saudi Arabia | 19 | 1.5k 0.9× | 1.0k 1.1× | 481 1.4× | 327 1.3× | 162 1.2× | 69 | 1.8k | ||
| Sinan Erdoğan Türkiye | 26 | 1.8k 1.1× | 969 1.1× | 597 1.7× | 302 1.2× | 159 1.2× | 84 | 2.2k | ||
| Chandrashekar Raghutla India | 19 | 1.7k 1.0× | 936 1.1× | 378 1.1× | 550 2.1× | 233 1.7× | 29 | 2.0k | ||
| Kris Ivanovski Australia | 21 | 1.9k 1.1× | 990 1.1× | 481 1.4× | 393 1.5× | 166 1.2× | 43 | 2.1k | ||
| Najia Saqib Saudi Arabia | 31 | 2.1k 1.3× | 1.1k 1.2× | 633 1.8× | 348 1.4× | 132 1.0× | 63 | 2.4k |
Countries citing papers authored by Oktay Özkan
Since
Specialization
Citations
This map shows the geographic impact of Oktay Özkan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Oktay Özkan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Oktay Özkan more than expected).
Fields of papers citing papers by Oktay Özkan
Since
Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences
This network shows the impact of papers produced by Oktay Özkan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Oktay Özkan. The network helps show where Oktay Özkan may publish in the future.
Co-authorship network of co-authors of Oktay Özkan
This figure shows the co-authorship network connecting the top 25 collaborators of Oktay Özkan. A scholar is included among the top collaborators of Oktay Özkan based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Oktay Özkan. Oktay Özkan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
1.
Akadırı, Seyi Saint & Oktay Özkan. (2025). Critical minerals and structural oil shocks: Evidence from wavelet cross-quantile correlation. Resources Policy. 103. 105570–105570.
2.
Özkan, Oktay & Mehmet Akif Destek. (2025). Assessing energy transition effectiveness in CO2 emission reduction: A novel indicator for BRIC nations. Sustainable Futures. 9. 100773–100773.
3.
Akadırı, Seyi Saint & Oktay Özkan. (2025). Risk across the spectrum: Unpacking the nexus of global oil uncertainty, geopolitical tensions, energy volatility, and US-China trade tensions. Energy Policy. 202. 114609–114609.
4.
Adebayo, Tomiwa Sunday, Oktay Özkan, Dilber Uzun Ozsahin, Babatunde Sunday Eweade, & Bright Akwasi Gyamfi. (2025). Exploring the role of ICT adoption technologies and renewable energy consumption in achieving a sustainable environment in the United States: an SDGs-based policy framework. Environmental Sciences Europe. 37(1).
5.
Özkan, Oktay, et al.. (2025). The Impact of ESG‐Related, Financial, and Geopolitical Uncertainties on the Renewable Energy Transition in the United States. Business Strategy and the Environment. 34(6). 7864–7877.
6.
Özkan, Oktay, et al.. (2024). Unearthing the importance of energy transition, political globalization, and natural resources on environmental degradation for Turkey: The role of economic growth and urbanization. Sustainable Futures. 8. 100320–100320.
7.
Özkan, Oktay, et al.. (2024). Time-quantile impact of foreign direct investment, financial development, and financial globalisation on green growth in BRICS economies. Journal of Environmental Management. 371. 123145–123145.
8.
Usman, Ojonugwa, Chinazaekpere Nwani, & Oktay Özkan. (2024). Role of household energy efficiency in shaping policy directives toward clean electricity transition in the United States: A nonparametric multivariate QQR approach. Sustainable Energy Technologies and Assessments. 64. 103741–103741.
9.
Özkan, Oktay, et al.. (2024). Navigating the winds of change: Assessing the impact of wind energy innovations and fossil energy efficiency on carbon emissions in China. Renewable Energy. 228. 120623–120623.
10.
Adebayo, Tomiwa Sunday, Oktay Özkan, Zahoor Ahmed, & Victoria Olushola Olanrewaju. (2024). How do high-tech industry, energy efficiency (gas and oil), and social globalization affect load capacity factor in Saudi Arabia? A Time-varying quantile regression. Energy & Environment. 37(2). 730–757.
11.
Özkan, Oktay, et al.. (2024). SDG achievement through international clean energy financing and access to clean fuel and technology. Energy & Environment. 37(2). 540–559.
12.
Özkan, Oktay, Salah Abosedra, Arshian Sharif, & Andrew Adewale Alola. (2024). Dynamic volatility among fossil energy, clean energy and major assets: evidence from the novel DCC-GARCH. Economic Change and Restructuring. 57(3).
13.
Olanipekun, Ifedolapo Olabisi, Oktay Özkan, & Godwin Olasehinde‐Williams. (2023). Is renewable energy use lowering resource-related uncertainties?. Energy. 271. 126949–126949.
14.
Özkan, Oktay, et al.. (2023). Do geopolitical oil price risk influence stock market returns and volatility of Pakistan: Evidence from novel non-parametric quantile causality approach. Resources Policy. 81. 103355–103355.
15.
Özkan, Oktay, et al.. (2023). Investigating the nexus between economic complexity and energy-related environmental risks in the USA: Empirical evidence from a novel multivariate quantile-on-quantile regression. Structural Change and Economic Dynamics. 65. 382–392.
16.
Adebayo, Tomiwa Sunday & Oktay Özkan. (2023). Investigating the influence of socioeconomic conditions, renewable energy and eco-innovation on environmental degradation in the United States: A wavelet quantile-based analysis. Journal of Cleaner Production. 434. 140321–140321.
17.
Pata, Uğur Korkut, Godwin Olasehinde‐Williams, & Oktay Özkan. (2023). Carbon efficiency in China: Should we be concerned about the shadow economy and urbanization?. Geological Journal. 58(10). 3646–3658.
18.
Özkan, Oktay, et al.. (2022). ÇEVRESEL KUZNETS EĞRİSİ: TÜRKİYE'DE KÜRESELLEŞME VE EKONOMİK BÜYÜMENİN ÇEVRE ÜZERİNDEKİ ETKİSİNİN YENİ DİNAMİK ARDL SİMÜLASYON MODELİ İLE İNCELENMESİ. DergiPark (Istanbul University).
19.
Özkan, Oktay. (2020). Hisse Senedi Piyasalarının Zayıf Form Piyasa Etkinliğinin Küresel Ölçekte Karşılaştırılması: G-20 Üyeleri Üzerine Ampirik Bir Çalışma. Celal Bayar Üniversitesi Sosyal Bilimler Dergisi. 327–338.
20.
Özkan, Oktay, et al.. (2020). PORTFÖY OPTİMİZASYONU VE PERFORMANS DEĞERLENDİRMESİNDE ALFA VE STANDART SAPMA DEĞİŞKENLERİYLE MODEL ÖNERMESİ. DergiPark (Istanbul University). 37–66.
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.
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