Balance tests
| Mean | t-test | |||
|---|---|---|---|---|
| Variable | Treated | Control | t | p > t |
| Panel A: Balance test (pre-matching) | ||||
| RVOL | 0.258 | 0.188 | 11.60 | 0.000 |
| IPRC | 0.098 | 0.028 | 9.13 | 0.000 |
| SIZE | 8.574 | 10.290 | −6.50 | 0.000 |
| LEV | 0.267 | 0.129 | 5.55 | 0.000 |
| R&D | 0.002 | 0.006 | −13.90 | 0.000 |
| IO | 0.085 | 0.196 | −14.90 | 0.000 |
| Panel B: Balance test (post-matching) | ||||
| RVOL | 0.217 | 0.216 | 0.75 | 0.452 |
| IPRC | 0.041 | 0.039 | 0.50 | 0.621 |
| SIZE | 9.501 | 9.480 | 0.47 | 0.640 |
| LEV | 0.170 | 0.178 | −0.47 | 0.642 |
| R&D | 0.003 | 0.003 | 0.50 | 0.620 |
| IO | 0.129 | 0.129 | −0.04 | 0.968 |
| Mean | ||||
|---|---|---|---|---|
| Variable | Treated | Control | ||
| RVOL | 0.258 | 0.188 | 11.60 | 0.000 |
| IPRC | 0.098 | 0.028 | 9.13 | 0.000 |
| SIZE | 8.574 | 10.290 | −6.50 | 0.000 |
| LEV | 0.267 | 0.129 | 5.55 | 0.000 |
| R&D | 0.002 | 0.006 | −13.90 | 0.000 |
| IO | 0.085 | 0.196 | −14.90 | 0.000 |
| RVOL | 0.217 | 0.216 | 0.75 | 0.452 |
| IPRC | 0.041 | 0.039 | 0.50 | 0.621 |
| SIZE | 9.501 | 9.480 | 0.47 | 0.640 |
| LEV | 0.170 | 0.178 | −0.47 | 0.642 |
| R&D | 0.003 | 0.003 | 0.50 | 0.620 |
| IO | 0.129 | 0.129 | −0.04 | 0.968 |
Source(s): Table by authors
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