Table 8 Heterogeneity grouping test for the nature of ownership.
(1) | (2) | |
|---|---|---|
VARIABLES | lnCitepatent | lnCitepatent |
DT_txt | 0.9396*** | 0.1762 |
(0.2492) | (0.4261) | |
ENT | 0.0664*** | 0.0963*** |
(0.0032) | (0.0041) | |
c.DT_txt#c.ENT | 0.0648*** | −0.0113 |
(0.0200) | (0.0353) | |
lnage | −0.0954*** | −0.2450*** |
(0.0156) | (0.0296) | |
lnsize | 0.0271*** | 0.0465*** |
(0.0057) | (0.0073) | |
lnboard | 0.1474*** | 0.1165** |
(0.0376) | (0.0460) | |
indp | 0.1394 | −0.3271** |
(0.1157) | (0.1380) | |
top10 | 0.0456 | −0.1293*** |
(0.0356) | (0.0495) | |
Lev | −0.0022 | 0.0142 |
(0.0401) | (0.0520) | |
liquid | 0.0010 | 0.0031 |
(0.0023) | (0.0050) | |
ROA | 0.5570*** | 0.1791 |
(0.0869) | (0.1399) | |
Constant | 0.5163*** | 1.1764*** |
(0.1708) | (0.2047) | |
Observations | 15,021 | 7175 |
R-squared | 0.2826 | 0.3536 |
SOE | 0 | 1 |