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3 – DEA publication statistics

3.1. Statistics based on different years

3.1. Statistics based on different years

3.3. Statistics based on different authors

3.4. Statistics based on keywords used

3.5. Statistics based on page numbers (size)

Figure 1. Distribution of DEA publications by year

3.1. Statistics based on different years

Fig. 1 demonstrates the rapid increase of DEA-related articles by year. It should be noted that there was “exponential” growth in the number of journal articles since the seminal work of CCR in 1978. Download high-res image (352KB) Download full-size image Fig. 1. Distribution of DEA-related articles by year (1978–2016). In recent four decades (1978–2016), there are totally 10,300 DEA-related …

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

3.2. Statistics based on different journals

Table 1 intends to show the top 20 journals that have published the greatest number of DEA-related articles in the last 40 years. Table 1. The 21 journals that have published the greatest number of DEA articles. No. Journal Numbers % of papers 1 European Journal of Operational Research 691 23.23% 2 Journal of the Operational Research Society …

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

3.3. Statistics based on different authors

In this study 11,975 distinct DEA authors were identified in total, with an average of 2.6 authors per publication. About 17% of all DEA-related articles were written by a single/sole author, while about 34% were published by two authors. Most of all DEA-related articles, about 94%, have four or less than four authors. The article …

3.4. Statistics based on keywords used

According to our dataset most DEA-related journal papers have identified keywords, and so approximately 25,137 distinct keywords were used. The following Table 2 shows the first 50 most used keywords. There is no doubt that Data Envelopment Analysis, DEA, or DEA models are the most used keywords with number of article of 9989. Moreover, efficiency, decision-making, technical efficiency, …

Figure 4. Distribution of DEA publications by number of pages

3.5. Statistics based on page numbers (size)

In excess of 120,000 pages of scholarly DEA-related articles have been published over the past four decades in scientific journals, with an average of 12.3 pages per article. Nearly 22% of the DEA-related articles are between 9 and 11 pages in length, with approximately 42% being between 7–12 pages. About 73% of the DEA-related articles …

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