US firms | |||||
Variable | Obs | Mean | Std. Dev. | Min | Max |
R&D | 1938 | 0.4851 | 2.3334 | 0.0006 | 41.0818 |
DA | 1938 | 0.4146 | 0.2052 | 0.0113 | 0.9603 |
Lnsale | 1938 | 20.4025 | 2.5268 | 12.4655 | 27.6082 |
ROA | 1938 | −0.0131 | 0.2234 | −1.8208 | 3.2676 |
growth | 1938 | 0.2097 | 21.8489 | −427.883 | 486.6667 |
shield | 1938 | 0.0400 | 0.0294 | 0.0006 | 0.5330 |
collateral | 1938 | 0.1548 | 0.1814 | 9.95E−05 | 1.1618 |
China | |||||
Variable | Obs | Mean | Std. Dev. | Min | Max |
R&D | 6282 | 0.0459 | 0.0445 | 1.36E-05 | 1.6943 |
DA | 6282 | 0.3926 | 19.8248 | 0.0080 | 0.8548 |
Lnsale | 6282 | 21.3410 | 1.3373 | 16.3643 | 25.1338 |
ROA | 6282 | 0.0432 | 5.6749 | −0.7765 | 0.2144 |
growth | 6282 | −0.3655 | 579.499 | −195.114 | 8.6592 |
shield | 6282 | 0.0050 | 0.0035 | 1.41E−05 | 0.0200 |
collateral | 6282 | 0.2155 | 0.1364 | 0.0005 | 0.6162 |