Difference in the CAR around annual report release date across samples
| (1) | (2) | (3) | (4) | |
|---|---|---|---|---|
| CAR (−2,2) | CAR (−1,1) | CAR (−2,2) | CAR (−1,1) | |
| OTCi,t | 0.000 | −0.000 | ||
| (0.20) | (−0.18) | |||
| RDCi,t | 0.002** | 0.002** | 0.002* | 0.002** |
| (2.11) | (2.47) | (1.90) | (2.39) | |
| UEi,t | 0.001* | 0.001*** | 0.001* | 0.001*** |
| (1.92) | (2.79) | (1.92) | (2.79) | |
| ROEi,t | 0.040*** | 0.020*** | 0.040*** | 0.020*** |
| (4.49) | (2.77) | (4.49) | (2.76) | |
| Sizei,t | 0.004*** | 0.003*** | 0.004*** | 0.003*** |
| (5.84) | (5.91) | (5.84) | (5.90) | |
| Levi,t | −0.007** | −0.005 | −0.007** | −0.005 |
| (−2.11) | (−1.60) | (−2.11) | (−1.60) | |
| MBi,t | 0.005*** | 0.005*** | 0.005*** | 0.005*** |
| (4.31) | (4.68) | (4.31) | (4.67) | |
| Growthi,t | −0.000 | −0.001 | −0.000 | −0.001 |
| (−0.04) | (−0.42) | (−0.04) | (−0.42) | |
| RDinti,t | −0.080* | −0.055 | −0.080* | −0.055 |
| (−1.92) | (−1.55) | (−1.92) | (−1.55) | |
| Constant | −0.107*** | −0.088*** | −0.107*** | −0.088*** |
| (−6.00) | (−6.08) | (−6.00) | (−6.08) | |
| Fixed Effects | ||||
| Industry | YES | YES | YES | YES |
| Year | YES | YES | YES | YES |
| # of Obs. | 10,873 | 10,873 | 10,873 | 10,873 |
| Adj. R2 | 0.027 | 0.020 | 0.027 | 0.020 |
| (1) | (2) | (3) | (4) | |
|---|---|---|---|---|
| 0.000 | −0.000 | |||
| (0.20) | (−0.18) | |||
| 0.002** | 0.002** | 0.002* | 0.002** | |
| (2.11) | (2.47) | (1.90) | (2.39) | |
| 0.001* | 0.001*** | 0.001* | 0.001*** | |
| (1.92) | (2.79) | (1.92) | (2.79) | |
| 0.040*** | 0.020*** | 0.040*** | 0.020*** | |
| (4.49) | (2.77) | (4.49) | (2.76) | |
| 0.004*** | 0.003*** | 0.004*** | 0.003*** | |
| (5.84) | (5.91) | (5.84) | (5.90) | |
| −0.007** | −0.005 | −0.007** | −0.005 | |
| (−2.11) | (−1.60) | (−2.11) | (−1.60) | |
| 0.005*** | 0.005*** | 0.005*** | 0.005*** | |
| (4.31) | (4.68) | (4.31) | (4.67) | |
| −0.000 | −0.001 | −0.000 | −0.001 | |
| (−0.04) | (−0.42) | (−0.04) | (−0.42) | |
| −0.080* | −0.055 | −0.080* | −0.055 | |
| (−1.92) | (−1.55) | (−1.92) | (−1.55) | |
| −0.107*** | −0.088*** | −0.107*** | −0.088*** | |
| (−6.00) | (−6.08) | (−6.00) | (−6.08) | |
| Industry | YES | YES | YES | YES |
| Year | YES | YES | YES | YES |
| # of Obs. | 10,873 | 10,873 | 10,873 | 10,873 |
| Adj. | 0.027 | 0.020 | 0.027 | 0.020 |
Note(s): All variables are defined in Appendix. The robust t statistics shown in parentheses are based on the firm-clustered standard errors. *, ** and *** represent the statistical significance level of 10%, 5% and 1%, respectively
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