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3 – DEA publication statistics

3.1 Statistics involving publications by year

3.2 Statistics involving publications by journal

3.3 Statistics involving publications by authors

3.4 Statistics involving number of pages (size) of publications

3.5 Statistics involving keywords used

Figure 1. Distribution of DEA publications by year

3 – 1 – Statistics involving publications by year

Figure 1 shows the distribution of DEA-related articles published by year. Note that between the seminal work of Charnes, Cooper and Rhodes (CCR) in 1978 [1] and the year 1995, there was literally “exponential” growth in the number of publications. Between 1995 and 2003, the number of relevant publications stabilized at about 226 per year. …

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Table 1. The 20 journals that have published the greatest number of DEA papers

3 – 2 – Statistics involving publications by journal

Table 1 lists the 20 journals that have published the greatest number of DEA papers in the past 30 years. Journals such as European Journal of Operational Research, Journal of Productivity Analysis, and Journal of the Operational Research Society are the most utilized. The reason is clearly that, DEA theory and many DEA applications fall …

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Figure 3. Percentage of publications by the “top” 12 authors. (NOTE: Only DEA-related publications of the authors are included.)

3 – 3 – Statistics involving publications by authors

In total, 2500 distinct DEA authors were identified, with an average of two per publication. Approximately 30% of all publications were written by a sole/single author, while nearly 40% were prepared by two authors. Figure 2 shows the distribution of publications by number of authors.     Interestingly, 22% of all papers were written by …

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Figure 4. Distribution of DEA publications by number of pages

3 – 4 – Statistics involving number of pages (size) of publications

In excess of 55,000 pages of scholarly publications were written on DEA-related material over the last 30 years, with an average of 12.5 pages per article. Nearly 20% of the manuscripts are between nine and 11 pages in length, with approximately 70% being between seven and 17 pages. Figure 4 shows the distribution of articles …

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3 – 5 – Statistics involving keywords used

Keywords for about 75% of the DEA papers were given, or could otherwise be ascertained. Approximately 2000 distinct keywords were reported, with an average of 3.5 keywords per publication. Table 2 lists the most popular keywords by number of publications.  

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