Sami Ullah

2.8k total citations · 2 hit papers
43 papers, 2.1k citations indexed

About

Sami Ullah is a scholar working on Economics and Econometrics, Renewable Energy, Sustainability and the Environment and Environmental Engineering. According to data from OpenAlex, Sami Ullah has authored 43 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Economics and Econometrics, 25 papers in Renewable Energy, Sustainability and the Environment and 17 papers in Environmental Engineering. Recurrent topics in Sami Ullah's work include Energy, Environment, Economic Growth (38 papers), Energy, Environment, and Transportation Policies (25 papers) and Environmental Impact and Sustainability (17 papers). Sami Ullah is often cited by papers focused on Energy, Environment, Economic Growth (38 papers), Energy, Environment, and Transportation Policies (25 papers) and Environmental Impact and Sustainability (17 papers). Sami Ullah collaborates with scholars based in China, Cyprus and Pakistan. Sami Ullah's co-authors include Tomiwa Sunday Adebayo, Mustafa Tevfik Kartal, Kishwar Ali, Uğur Korkut Pata, Rundong Luo, Muhammad Irfan, Mehmet Ağa, Shujaat Abbas, Muhammad Nadeem and Faisal Alnori and has published in prestigious journals such as The Science of The Total Environment, Journal of Cleaner Production and Environmental Pollution.

In The Last Decade

Sami Ullah

41 papers receiving 2.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Endorsing sustainable development in BRICS: The role of technological innovation, renewable energy consumption, and natural resources in limiting carbon emission

2022 370 citations Tomiwa Sunday Adebayo, Sami Ullah et al. profile →
Unleashing the dynamic impact of tourism industry on energy consumption, economic output, and environmental quality in China: A way forward towards environmental sustainability

2023 141 citations Muhammad Irfan, Sami Ullah et al. Journal of Cleaner Production profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Sami Ullah China	20	1.8k	961	555	364	152	43	2.1k
Paiman Ahmad Iraq	18	1.6k 0.9×	947 1.0×	489 0.9×	390 1.1×	186 1.2×	30	2.0k
Edmund Ntom Udemba Türkiye	26	1.6k 0.9×	835 0.9×	586 1.1×	346 1.0×	127 0.8×	58	1.8k
Md Shabbir Alam Bahrain	25	1.7k 1.0×	878 0.9×	485 0.9×	392 1.1×	164 1.1×	68	2.3k
Najia Saqib Saudi Arabia	31	2.1k 1.2×	1.1k 1.2×	633 1.1×	348 1.0×	197 1.3×	63	2.4k
Enjun Xia China	19	1.8k 1.0×	924 1.0×	644 1.2×	387 1.1×	165 1.1×	47	2.2k
Zia Ur Rahman China	17	1.7k 0.9×	960 1.0×	548 1.0×	346 1.0×	123 0.8×	35	1.9k
Hoang Phong Le Vietnam	14	1.8k 1.0×	986 1.0×	561 1.0×	478 1.3×	127 0.8×	28	2.1k
Claudia Nyarko Mensah China	16	2.0k 1.1×	1.1k 1.1×	661 1.2×	276 0.8×	274 1.8×	26	2.2k
Lamini Dauda China	13	2.1k 1.2×	1.2k 1.2×	753 1.4×	289 0.8×	249 1.6×	17	2.3k
Rizwana Yasmeen China	26	1.6k 0.9×	840 0.9×	589 1.1×	427 1.2×	123 0.8×	72	2.2k

Countries citing papers authored by Sami Ullah

Since Specialization

Citations

This map shows the geographic impact of Sami Ullah'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 Sami Ullah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sami Ullah more than expected).

Fields of papers citing papers by Sami Ullah

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sami Ullah. 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 Sami Ullah. The network helps show where Sami Ullah may publish in the future.

Co-authorship network of co-authors of Sami Ullah

This figure shows the co-authorship network connecting the top 25 collaborators of Sami Ullah. A scholar is included among the top collaborators of Sami Ullah 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 Sami Ullah. Sami Ullah is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Ali, Sajid, Sami Ullah, & Mustafa Tevfik Kartal. (2025). Long-Run Effects of Technological Innovation, Green Innovation, and Green Energy on CO2 Emissions in Pakistan: An Augmented ARDL Approach. Sustainable Futures. 10. 101300–101300. 1 indexed citations

Ullah, Sami & Boqiang Lin. (2024). Natural resources, renewable energy-environment nexus for Pakistan: A policy perspective. Resources Policy. 90. 104788–104788. 16 indexed citations

Ullah, Sami & Boqiang Lin. (2024). Assessing the environmental impacts of clean energy investment in Pakistan using a dynamic autoregressive distributed lag model. Journal of Environmental Management. 365. 121549–121549. 13 indexed citations

Ali, Kishwar, et al.. (2024). Revisiting natural resources and financial development nexus in China under the lens of time‐frequency approach. Natural Resources Forum. 49(1). 541–560. 2 indexed citations

Ramzan, Muhammad, Sami Ullah, Syed Ali Raza, & Muhammad Nadeem. (2023). A step towards achieving SDG 2030 agenda: Analyzing the predictive power of information globalization amidst technological innovation-environmental stewardship nexus in the greenest economies. Journal of Environmental Management. 335. 117541–117541. 36 indexed citations

Khan, Karamat, et al.. (2023). Does digital financial inclusion affect CO2 emissions? Evidence from 76 emerging markets and developing economies (EMDE's). Journal of Cleaner Production. 420. 138313–138313. 42 indexed citations

Ullah, Sami, Tomiwa Sunday Adebayo, Muhammad Irfan, & Shujaat Abbas. (2023). Environmental quality and energy transition prospects for G-7 economies: The prominence of environment-related ICT innovations, financial and human development. Journal of Environmental Management. 342. 118120–118120. 102 indexed citations

Irfan, Muhammad, Sami Ullah, Asif Razzaq, Jinyang Cai, & Tomiwa Sunday Adebayo. (2023). Unleashing the dynamic impact of tourism industry on energy consumption, economic output, and environmental quality in China: A way forward towards environmental sustainability. Journal of Cleaner Production. 387. 135778–135778. 141 indexed citations breakdown →

Adebayo, Tomiwa Sunday & Sami Ullah. (2023). Towards a sustainable future: The role of energy efficiency, renewable energy, and urbanization in limiting CO₂ emissions in Sweden. Sustainable Development. 32(1). 244–259. 78 indexed citations

10.

Ullah, Sami, Rundong Luo, Muhammad Nadeem, & Javier Cifuentes‐Faura. (2023). Advancing sustainable growth and energy transition in the United States through the lens of green energy innovations, natural resources and environmental policy. Resources Policy. 85. 103848–103848. 70 indexed citations

11.

Adebayo, Tomiwa Sunday, Andrew Adewale Alola, Sami Ullah, & Shujaat Abbas. (2023). The growth impacts of agriculture value‐added, energy utilization, and environmental degradation in Pakistan: Causality in continuous wavelet transform approach. Natural Resources Forum. 48(2). 343–363. 5 indexed citations

12.

Zhang, Jie, Sami Ullah, & Karamat Khan. (2023). The prominence of fossil energy resources in ecological sustainability of BRICS: The key role of institutional worth. Frontiers in Environmental Science. 10. 10 indexed citations

13.

Adebayo, Tomiwa Sunday & Sami Ullah. (2023). Formulating sustainable development policies for China within the framework of socioeconomic conditions and government stability. Environmental Pollution. 328. 121673–121673. 78 indexed citations

14.

Wang, Zihan, Xi Chen, Sami Ullah, & Shujaat Abbas. (2023). Resource curse or blessing? Evaluating the role of natural resource, social globalization, and environmental sustainability in China. Resources Policy. 85. 103749–103749. 19 indexed citations

15.

Khan, Karamat, et al.. (2023). Financial inclusion, environmental degradation, and the moderating role of ICT: a global perspective. Environmental Science and Pollution Research. 31(1). 445–457. 6 indexed citations

16.

Liu, Xuan, Tomiwa Sunday Adebayo, Muhammad Ramzan, et al.. (2023). Do coal efficiency, climate policy uncertainty and green energy consumption promote environmental sustainability in the United States? An application of novel wavelet tools. Journal of Cleaner Production. 417. 137851–137851. 103 indexed citations

17.

Zhang, Zhen, et al.. (2022). How do renewable energy consumption, financial development, and technical efficiency change cause ecological sustainability in European Union countries?. Energy & Environment. 34(7). 2478–2496. 55 indexed citations

18.

Ullah, Sami, et al.. (2022). Environmental concerns of financial inclusion and economic policy uncertainty in the era of globalization: evidence from low & high globalized OECD economies. Environmental Science and Pollution Research. 29(24). 36773–36787. 90 indexed citations

19.

Du, Jianguo, Kishwar Ali, Faisal Alnori, & Sami Ullah. (2022). The nexus of financial development, technological innovation, institutional quality, and environmental quality: evidence from OECD economies. Environmental Science and Pollution Research. 29(38). 58179–58200. 125 indexed citations

20.

Ali, Kishwar, Satar Bakhsh, Saif Ullah, Atta Ullah, & Sami Ullah. (2020). Industrial growth and CO2 emissions in Vietnam: the key role of financial development and fossil fuel consumption. Environmental Science and Pollution Research. 28(6). 7515–7527. 71 indexed citations

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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