GermanyOverall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 79 out of 12,471 Researchers
Data For The Year: 2026
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 28,720 | 34,450 |
| Total Cites | 5,862 | 6,021 |
| H-index | 36 | 36 |
| Hm-index | 24 | 24 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 2,343 | 2,368 |
| Number of Single+First Authored Papers | 43 | 43 |
| Total Cites to Single+First Authored Papers | 4,683 | 4,791 |
| Number of Single+First+Last Authored Papers | 54 | 54 |
| Total Cites to Single+First+Last Authored Papers | 5,241 | 5,368 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,813 | 4,886 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.23 |
| Self-Citation Percentage |
2.64%
|
|
Koopmans, Ruud
Transnationalization,
2025 Rank: 30,075
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 76 out of 11,842 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30,075 | 36,004 |
| Total Cites | 5,281 | 5,430 |
| H-index | 35 | 35 |
| Hm-index | 23 | 23 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 2,125 | 2,150 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 4,234 | 4,336 |
| Number of Single+First+Last Authored Papers | 51 | 51 |
| Total Cites to Single+First+Last Authored Papers | 4,730 | 4,850 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4,316 | 4,382 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.24 |
| Self-Citation Percentage |
2.74%
|
|
Koopmans, Ruud
Transnationalization,
2024 Rank: 30,881
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 76 out of 11,359 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30,881 | 36,368 |
| Total Cites | 4,797 | 4,942 |
| H-index | 34 | 35 |
| Hm-index | 23 | 23 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1,950 | 1,975 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 3,865 | 3,965 |
| Number of Single+First+Last Authored Papers | 51 | 51 |
| Total Cites to Single+First+Last Authored Papers | 4,313 | 4,431 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,915 | 3,979 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.24 |
| Self-Citation Percentage |
2.93%
|
|
Koopmans, Ruud
Transnationalization,
2023 Rank: 31,581
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 72 out of 10,741 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 31,581 | 37,867 |
| Total Cites | 4,347 | 4,484 |
| H-index | 33 | 33 |
| Hm-index | 22 | 22 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1,781 | 1,806 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 3,508 | 3,603 |
| Number of Single+First+Last Authored Papers | 51 | 51 |
| Total Cites to Single+First+Last Authored Papers | 3,918 | 4,031 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,535 | 3,595 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.25 |
| Self-Citation Percentage |
3.06%
|
|
Koopmans, Ruud
Transnationalization,
2022 Rank: 32,415
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 66 out of 9,982 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 32,415 | 38,151 |
| Total Cites | 3,869 | 3,999 |
| H-index | 31 | 32 |
| Hm-index | 22 | 22 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1,595 | 1,619 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 3,146 | 3,237 |
| Number of Single+First+Last Authored Papers | 51 | 51 |
| Total Cites to Single+First+Last Authored Papers | 3,506 | 3,615 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,132 | 3,188 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.25 |
| Self-Citation Percentage |
3.25%
|
|
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 63 out of 9,204 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 33,187 | 39,072 |
| Total Cites | 3,640 | 3,767 |
| H-index | 30 | 31 |
| Hm-index | 22 | 22 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 1,495 | 1,517 |
| Number of Single+First Authored Papers | 40 | 40 |
| Total Cites to Single+First Authored Papers | 2,950 | 3,038 |
| Number of Single+First+Last Authored Papers | 49 | 49 |
| Total Cites to Single+First+Last Authored Papers | 3,298 | 3,404 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,940 | 2,996 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.26 |
| Self-Citation Percentage |
3.37%
|
|
Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:
Social Sciences
SubField 1:
Sociology
SubField 2:
Political Science & Public Administration
Rank in SubField 1: 60 out of 7,606 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 36,992 | 42,809 |
| Total Cites | 3,130 | 3,245 |
| H-index | 27 | 28 |
| Hm-index | 20 | 21 |
| Number of Single Authored Papers | 19 | 19 |
| Total Cites to Single Authored Papers | 1,306 | 1,326 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 2,552 | 2,632 |
| Number of Single+First+Last Authored Papers | 47 | 47 |
| Total Cites to Single+First+Last Authored Papers | 2,851 | 2,948 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,510 | 2,561 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.27 |
| Self-Citation Percentage |
3.54%
|
|
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