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Journal Rankings in Business & Economics
Journal Citation Reports (Clarivate)
- Journal Citation Reports (JCR) This link opens in a new windowA tool for evaluating and comparing journals. Metrics include journal impact factor, eigenfactor, and more. Citation data drawn from approximately 12,000 scholarly and technical journals and conference proceedings from more than 3,300 publishers in over 60 countries. JCR is a leading source of citation data on journals in the areas of science, technology, and social sciences. JCR includes data from Science Citation Index and Social Science Citation Index in Web of Science (Clarivate, formerly Thomson Reuters).
- Journal Citation Reports: Learn the BasicsTraining content to better understand JCR and journal impact factor. View recorded webinars or sign up for live training.
Journal Impact Factor
Journal Impact Factor (JIF) is the average number of times articles from the journal published in the past two years have been cited in the JCR year.
The Impact Factor is calculated by dividing the number of citations in the JCR year by the total number of articles published in the two previous years. An Impact Factor of 1.0 means that, on average, the articles published one or two year ago have been cited one time. An Impact Factor of 2.5 means that, on average, the articles published one or two year ago have been cited two and a half times. Citing works are from journals, proceedings, or books indexed by Web of Science.
How to Calculate a 2019 Journal's Impact Factor
A = total cites in 2019 B = 2019 cites to articles published in 2017-2018 (a subset of A) C = number of articles published in 2017-2018 D = B/C = 2019 impact factor (published in June 2020) |
JCR year is a calendar year from January to December. JIF metrics for the JCR year are published annually next June, that is, JIF data for 2019 were released in June 2020.
Citable Items include research articles, reviews, notes, and corrections/retractions. An item is classified as a review if it meets any of the following criteria:
- it cites more than 100 references
- it appears in a review publication or a review section of a journal
- the word review or overview appears in its title
- the abstract states that it is a review or survey
Each citable item is manually coded. Other items include editorials, letters, news items, and meeting abstracts. These items are not counted in JCR calculations because they are not generally cited.
Self-Citation is a reference to an article from the same journal. Self-citations can make up a significant portion of the citations a journal gives and receives each year. Impact Factor Without Journal Self Cites is available in JCR.
Total Cites is the total number of times that a journal has been cited by any publication included in Web of Science in the JCR year. Cites are not coded manually, and not limited to original research articles or reviews. Each unique article-to-article link is counted as a citation.
- Clarivate Analytics Impact FactorBy Dr. Eugene Garfield, the inventor of impact factor.
- The Journal Impact Factor Denominator: Defining Citable (Counted) ItemsMarie E. McVeigh, MS; Stephen J. Mann. JAMA. 2009;302(10):1107-1109.