Journal profile · Operations Research & Management Science
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
ISSN 0305-0483 · eISSN 1873-5274 · PERGAMON-ELSEVIER SCIENCE LTD · ENGLAND · Bimonthly · Founded 1973
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE: CAS Zone 2 · Management (2025 upgraded edition); impact factor 6.91; hybrid open access; APC about USD 4,030; review about 244 days (submission to acceptance, publisher); community-reported acceptance: moderate; 183 articles in 2025; indexed in SCIE, SSCI and Scopus.
Scope
Aims, scope and focus
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE is published by PERGAMON-ELSEVIER SCIENCE LTD and is in Zone 2 of Management in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Supply Chain and Inventory Management, Efficiency Analysis Using DEA and Scheduling and Optimization Algorithms, together about 26.1% of its articles. Its main subfields are Industrial and Manufacturing Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Omega reports on advances in Operations Analytics, including the latest research results and applications in Management Sciences. OMEGA seeks submissions related to the use of data and problem-driven models and techniques to address practical optimization and business analytics challenges. Of particular interest are papers that present effective and contemporary modeling and solution approaches for novel application areas, as well as those papers that contain breakthroughs in solving established problems in application domains of considerable interest. The submissions are expected to be of high quality and relevance, written in a manner that makes it accessible to a wide-ranging readership of academics, practitioners, and managers. Preference will be given to papers with implications for the practice of management.OMEGA welcomes the following types of submissions:Innovative Applications:Articles that present unique and effective solutions to real-world challenges.Theory and Methodology Advances:Research papers offering new contributions to the methodologies and theoretical foundations of Management Sciences and Operations Analytics.Invited Reviews:Comprehensive reviews that inform the broader Management Sciences audience about recent advancements in a specific topic area.Short Communications:Brief reports that address significant shortcomings or limitations identified in recent OMEGA publications.
From the journal's Aims & Scope
Research area (LetPub): Operations Research & Management Science
Editor-in-chief Joe ZhuPublisher website
Editorial board by country: 4 in mainland China (about 4%); most named United States 33, United Kingdom 15, Canada 12, Mainland China 4, Hong Kong, China 4 (105 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Supply Chain and Inventory ManagementBusiness, Management and Accounting12.4%
- Efficiency Analysis Using DEADecision Sciences6.9%
- Scheduling and Optimization AlgorithmsEngineering6.8%
- Sustainable Supply Chain ManagementBusiness, Management and Accounting6.4%
- Advanced Manufacturing and Logistics OptimizationEngineering5.6%
- Multi-Criteria Decision MakingDecision Sciences5.1%
- Vehicle Routing Optimization MethodsEngineering5.1%
- Consumer Market Behavior and PricingBusiness, Management and Accounting5%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Management Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Management | Zone 2 |
| Minor | Management | Zone 2 |
| Minor | Operations Research & Management Science | Zone 2 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Management Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Management | Zone 1 |
| Minor | Management | Zone 2 |
| Minor | Operations Research & Management Science | Zone 1 |
Top journal: yesReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Management Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Management | Zone 2 |
| Minor | Management | Zone 2 |
| Minor | Operations Research & Management Science | Zone 2 |
Top journal: yesReview journal: no
Database indexing
SCIESSCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 6.91LetPub ·
- Impact factor (publisher)
- 6.9Publisher website ·
- CiteScore 2026-06
- 13.7LetPub ·
- CiteScore (publisher)
- 13.7Publisher website ·
- SJR 2026-06
- 2.43LetPub ·
- SNIP 2026-06
- 2.07LetPub ·
- h-index
- 120LetPub ·
- h-index
- 212OpenAlex ·
- i10-index
- 2,988OpenAlex ·
- 2-year mean citedness
- 6.58OpenAlex ·
- Self-citation rate
- 10.1%LetPub ·
- Share of gold OA articles
- 26.83%LetPub ·
Volume
- Articles per year
- 169LetPub ·
Articles by year OpenAlex count · 5,227 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 133 | 43 | 45 |
| 2025 | 183 | 60 | 746 |
| 2024 | 189 | 83 | 2,530 |
| 2023 | 140 | 55 | 3,249 |
| 2022 | 156 | 61 | 5,456 |
| 2021 | 121 | 43 | 4,595 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Publisher-reported review time from the journal's website
244 dayssubmission to acceptance · community reports about 10 months
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- about 10 monthsLetPub ·
- Average acceptance (community reports)
- ModerateLetPub ·
- Submission to first decision
- 3 daysPublisher website ·
- First decision after review
- 73 daysPublisher website ·
- Submission to acceptance
- 244 daysPublisher website ·
- Acceptance to publication
- 8 daysPublisher website ·
- Peer review
- Single anonymous peer reviewPublisher website
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 4,030 / EUR 3,770 / GBP 3,230 / JPY 499,840 | — | — | |
| Publisher website | USD 3,960 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Open calls for papers5, by deadline
- AI-Augmented MS/OR for Digital Operations and Emerging TechnologiesDeadline
- Special Issue on Data-Enabled Analytics for Insightful and Responsible Decision-MakingDeadline
- Omega 55th Anniversary Special Issue - Data Envelopment Analysis at Fifty: From efficiency measurement to intelligent data-enabled analytics and decision makingDeadline
- Omega 55th Anniversary Special Issue: Data-Driven Optimization for Smart CitiesDeadline
- Omega – The International Journal of Management Science 55th-Anniversary Special Issue: Data-Driven Optimization for Smart CitDeadline
What to prepare3 items from the author guidelines
- Abstract
- ≤ 250 words
- Keywords
- 1–7
- Reference style
- Numbered, in order of citation
Article types accepted4
- innovative applicationsInnovative Applications: Articles that present unique and effective solutions to real-world challenges.Length not stated
- invited reviewsInvited Reviews: Comprehensive reviews that inform the broader Management Sciences audience about recent advancements in a specific topic area.Length not stated
- short communicationsShort Communications: Brief reports that address significant shortcomings or limitations identified in recent OMEGA publications.Length not stated
- theory and methodology advancesTheory and Methodology Advances: Research papers offering new contributions to the methodologies and theoretical foundations of Management Sciences and Operatio…Length not stated
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, License & copyright, Open access, Peer review, Preprints
- AI use Declaration of generative AI use
Authors must declare the use of generative AI tools in the manuscript preparation process upon submission of the paper.Generative AI and AI-assisted technologies (“AI tools”) have been rapidly adopted in research and scholarly publishing, offering significant benefits while requiring clear standards for responsible and transparent use.Authors preparing a manuscript for this journal may use AI tool…
Source ↗Publisher website ·- Authorship Group authorship
Group authorship refers to the attribution of an article to a defined and named group of authors whose members have contributed to the work. Examples include research consortia, clinical trial groups, collaborative networks, task forces or working groups, expert panels or consensus groups, and participatory research groups. Group authorship must be declared on the title page at submission. When av…
Source ↗Publisher website ·- Conflicts of interest Declaration of competing interests
All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence or bias their work. Examples of potential competing interests include:EmploymentConsultanciesStock ownershipHonorariaPaid expert testimonyPatent applications or registrationsGrants or any other fundingAffiliation with the journal as an Editor or Advisory Board …
Source ↗Publisher website ·- License & copyright License options
Authors will be offered open access user license options which will determine how you, and third parties, can reuse your open access article. We advise that you review these options and any funding body license requirements before selecting a license option.
Source ↗Publisher website ·- Open access Open access
We refer you to our open access information page to learn about open access options for this journal.
Source ↗Publisher website ·- Peer review Peer review
This journal follows a single anonymized review process. Your submission will initially be assessed by our editors. If your submission is deemed suitable, it will typically be sent to be reviewed by a minimum of two reviewers for an independent expert assessment of the scientific quality. The decision as to whether your article is accepted or rejected for publication will be made by our editors.Re…
Source ↗Publisher website ·- Preprints Preprints
Preprint sharingAuthors may share preprints in line with Elsevier's article sharing policy. Sharing preprints, such as on a preprint server, will not count as prior publication.We advise you to read our policy on multiple, redundant or concurrent publication. In support of Open Science, this journal offers its authors a free preprint posting service on SSRN, Elsevier’s preprint and early research …
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Country or region
- ENGLAND
- Language
- English
- Frequency
- Bimonthly
- Founded
- 1973
- ISSN
- 0305-0483
- Electronic ISSN
- 1873-5274
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
- Author guidelines ↗LetPub
- Special issues ↗Publisher website
FAQ
Frequently asked questions about OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE
What CAS zone is OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE in?
In the 2025 upgraded edition of the CAS Journal Ranking, OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE is in Zone 2 of Management, and in Zone 2 of the minor category Management / Operations Research & Management Science. In the 2026 Xinrui edition it is in Zone 1 of Management. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE?
The latest impact factor listed by LetPub is 6.91; CiteScore 13.7, h-index 212.
How long does peer review take at OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE?
The publisher reports about 244 days (submission to acceptance); authors report an average review time of about 10 months; the community-reported acceptance is “Moderate”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE?
According to the journal's author guidelines: Abstract: ≤ 250 words; Keywords: 1–7; Reference style: Numbered, in order of citation. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE based?
Of the 105 board members whose country the journal's board page names, 4 (about 4%) are in mainland China; the countries named most often are United States (33), United Kingdom (15) and Canada (12). Counted from the institutions listed on the board page; for reference only.
Which databases index OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE?
According to LetPub and DOAJ records, OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE is indexed in SCIE, SSCI and Scopus.
Is OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE open access, and what is the APC?
OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE is a hybrid journal. For open-access publication: APC about USD 4,030.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .