Table 9. Robust test on subgroups of zombies and non-zombies

Dependent variables Log odd ratio of the probability of patent application Log odd ratio of the probability of commercialization
Subgroup Zombies Non-zombies Zombies Non-zombies
β3 Government fundi 0.095** (0.04) 0.059*** (0.02) 0.001 (0.03) –0.008 (0.01)
β4 Project durationi –0.156 (0.23) 0.223** (0.10) 0.106 (0.19) 0.198** (0.08)
β5 Partnersi 0.002 (0.15) 0.184** (0.07) 0.150 (0.13) 0.119* (0.06)
β6 Technological readiness level - - 0.205 (0.13) 0.195*** (0.05)
Constant 0.389 (0.87) –1.153*** (0.36) –2.750** (1.16) –2.304*** (0.47)
Observations 127 640 116 605
Tech. field fixed Yes Yes Yes Yes
Log likelihood –61.658 –347.096 –70.975 –367.132
are statistical significance at 1%,
5%,
10%, respectively; standard errors are also reported in parentheses.