Return to 3 – DEA publication statistics

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, linear programming, and productivity are also most popular keywords in the existing DEA-related articles.

Table 2. The 50 most used keywords by number of DEA-related articles.

No. Keywords No. of publications
1 Data Envelopment Analysis, Data Envelopment Analysis (DEA), DEA, or DEA models 9989
2 Efficiency 2382
3 Decision making 1048
4 Technical efficiency 876
5 Linear programming 722
5 Productivity 722
7 Mathematical models 574
8 Data reduction 535
9 Benchmarking 502
10 Decision making unit, Decision-making units 479
11 Human, Humans 477
12 Efficiency measurement 440
13 Optimization 368
14 Malmquist index, Malmquist Productivity Index 359
15 Operations Research 337
16 Data handling 308
17 China 298
18 Energy efficiency 286
19 performance assessment 276
20 Regression analysis 275
21 Economics 272
21 Performance 272
21 Bootstrapping, bootstrap 272
24 Efficiency, Organizational 265
25 Returns to scale 253
26 Data analysis 244
27 Eurasia 224
27 United States 224
29 Industry 208
29 Performance evaluation 208
31 Relative efficiency 207
32 Banking 193
32 Ranking 193
34 Problem solving 184
35 Data envelopment 183
36 Costs 177
37 Resource allocation 176
38 Efficiency analysis 173
39 Europe 169
40 Decision theory 168
41 Competition 163
42 Performance measurement 157
43 Mathematical Programming 154
44 Sustainable development 151
45 Total factor productivity 149
46 Organization and management 148
47 Profitability 141
48 Numerical model 138
49 Sensitivity analysis 136
50 Methodology 130
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