Ladd, Helen F.
Duke University,
United States
2025 Rank: 52544
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 456 out of 51271 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 52544 | 61720 |
| Total Cites | 4681 | 4797 |
| H-index | 33 | 33 |
| Hm-index | 23 | 23 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1451 | 1468 |
| Number of Single+First Authored Papers | 37 | 37 |
| Total Cites to Single+First Authored Papers | 1955 | 1999 |
| Number of Single+First+Last Authored Papers | 52 | 52 |
| Total Cites to Single+First+Last Authored Papers | 2399 | 2460 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3919 | 3971 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.21 |
| Self-Citation Percentage |
2.42%
|
|
Ladd, Helen F.
Sanford School of Public Policy,
United States
2024 Rank: 64795
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 553 out of 47525 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 64795 | 74975 |
| Total Cites | 4108 | 4205 |
| H-index | 31 | 32 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 16 | 16 |
| Total Cites to Single Authored Papers | 1192 | 1203 |
| Number of Single+First Authored Papers | 26 | 26 |
| Total Cites to Single+First Authored Papers | 1585 | 1614 |
| Number of Single+First+Last Authored Papers | 36 | 36 |
| Total Cites to Single+First+Last Authored Papers | 1982 | 2024 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3417 | 3462 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.21 |
| Self-Citation Percentage |
2.31%
|
|
Ladd, Helen F.
Duke University,
United States
2023 Rank: 48424
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 402 out of 44459 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 48424 | 56873 |
| Total Cites | 4216 | 4343 |
| H-index | 32 | 33 |
| Hm-index | 22 | 22 |
| Number of Single Authored Papers | 24 | 24 |
| Total Cites to Single Authored Papers | 1269 | 1288 |
| Number of Single+First Authored Papers | 42 | 42 |
| Total Cites to Single+First Authored Papers | 1837 | 1891 |
| Number of Single+First+Last Authored Papers | 62 | 62 |
| Total Cites to Single+First+Last Authored Papers | 2272 | 2343 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3491 | 3551 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.22 |
| Self-Citation Percentage |
2.92%
|
|
Ladd, Helen F.
Duke University,
United States
2022 Rank: 52831
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 435 out of 41570 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 52831 | 61252 |
| Total Cites | 3716 | 3845 |
| H-index | 30 | 31 |
| Hm-index | 21 | 21 |
| Number of Single Authored Papers | 22 | 22 |
| Total Cites to Single Authored Papers | 1085 | 1102 |
| Number of Single+First Authored Papers | 40 | 40 |
| Total Cites to Single+First Authored Papers | 1580 | 1632 |
| Number of Single+First+Last Authored Papers | 59 | 59 |
| Total Cites to Single+First+Last Authored Papers | 1970 | 2041 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3060 | 3120 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.23 |
| Self-Citation Percentage |
3.36%
|
|
Ladd, Helen F.
Duke University,
United States
2021 Rank: 54630
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 453 out of 38701 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 54630 | 63368 |
| Total Cites | 3512 | 3631 |
| H-index | 29 | 30 |
| Hm-index | 20 | 20 |
| Number of Single Authored Papers | 22 | 22 |
| Total Cites to Single Authored Papers | 1023 | 1039 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 1485 | 1534 |
| Number of Single+First+Last Authored Papers | 58 | 58 |
| Total Cites to Single+First+Last Authored Papers | 1851 | 1915 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2905 | 2961 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.23 |
| Self-Citation Percentage |
3.28%
|
|
Ladd, Helen F.
Duke University,
United States
2020 Rank: 54113
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Economics & Business
SubField 1:
Economics
SubField 2:
Education
Rank in SubField 1: 422 out of 33447 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 54113 | 62223 |
| Total Cites | 3102 | 3212 |
| H-index | 27 | 29 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 24 | 24 |
| Total Cites to Single Authored Papers | 1009 | 1024 |
| Number of Single+First Authored Papers | 37 | 37 |
| Total Cites to Single+First Authored Papers | 1395 | 1437 |
| Number of Single+First+Last Authored Papers | 55 | 55 |
| Total Cites to Single+First+Last Authored Papers | 1699 | 1756 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2608 | 2660 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.21 |
| Self-Citation Percentage |
3.42%
|
|