Table 2:
Summary Statistics — Control & Treated Subfields at Baseline
| Mean | Median | Std. Dev. | Min. | Max. | |
|---|---|---|---|---|---|
| Control Subfields (N=31,142) | |||||
| Baseline Stock of Related Articles in the Field | 76.995 | 59 | 64.714 | 0 | 384 |
| Baseline Stock of Related Articles in the Field, Non-Collaborators | 68.390 | 51 | 60.222 | 0 | 381 |
| Baseline Stock of Related Articles in the Field, Collaborators | 8.604 | 5 | 10.358 | 0 | 125 |
| Source Article Nb. of Authors | 3.970 | 4 | 1.901 | 1 | 15 |
| Source Article Citations at Baseline | 16.331 | 8 | 30.305 | 0 | 770 |
| Source Article Long-run Citations | 70.427 | 38 | 116.108 | 1 | 4495 |
| Investigator Gender | 0.067 | 0 | 0.249 | 0 | 1 |
| Investigator Year of Degree | 1960.546 | 1962 | 10.998 | 1926 | 1991 |
| Death Year | 1991.125 | 1991 | 7.968 | 1975 | 2003 |
| Age at Death | 58.100 | 58 | 8.795 | 34 | 91 |
| Investigator Cumulative Nb. of Publications | 164 | 131 | 123 | 1 | 1,109 |
| Investigator Cumulative NIH Funding at Baseline | $18,784,517 | $11,904,846 | $25,160,518 | 0 | $387,558,656 |
| Investigator Cumulative Nb. of Citations | 12,141 | 8,010 | 12,938 | 9 | 157,581 |
| Treated Subfields (N=3,076) | |||||
| Baseline Stock of Related Articles in the Field | 76.284 | 58 | 64.046 | 0 | 368 |
| Baseline Stock of Related Articles in the Field, Non-Collaborators | 67.752 | 51 | 59.725 | 0 | 357 |
| Baseline Stock of Related Articles in the Field, Collaborators | 8.532 | 5 | 9.841 | 0 | 86 |
| Source Article Nb. of Authors | 3.987 | 4 | 1.907 | 1 | 14 |
| Source Article Citations at Baseline | 16.694 | 8 | 36.334 | 0 | 920 |
| Source Article Long-run Citations | 70.432 | 35 | 180.528 | 1 | 6598 |
| Investigator Gender | 0.099 | 0 | 0.299 | 0 | 1 |
| Investigator Year of Degree | 1960.141 | 1961 | 10.898 | 1928 | 1986 |
| Death Year | 1991.125 | 1991 | 7.970 | 1975 | 2003 |
| Age at Death | 58.100 | 58 | 8.796 | 34 | 91 |
| Investigator Cumulative Nb. of Publications | 170 | 143 | 118 | 12 | 1,380 |
| Investigator Cumulative NIH Funding at Baseline | $17,637,726 | $12,049,690 | $24,873,018 | 0 | $329,968,960 |
| Investigator Cumulative Nb. of Citations | 11,580 | 8,726 | 10,212 | 120 | 72,122 |
Note: The sample consists of subfields for 452 deceased superstar life scientists and their matched control subfields. See Appendix D for details on the matching procedure. All time-varying covariates are measured in the year of superstar death.