The moderating effect of R&D intensity
| Return on assets | Return on equity | CAR | ||||||
|---|---|---|---|---|---|---|---|---|
| ROAi,t+1 | ROAi,t+2 | ROAi,t+3 | ROEi,t+1 | ROEi,t+2 | ROEi,t+3 | CAR (−2,2) | CAR (−1,1) | |
| OTCi,t× RDinti,t | −0.031 | 0.062 | 0.172 | −0.158 | 0.165 | 0.236 | −0.081 | 0.005 |
| (−0.33) | (0.48) | (1.02) | (−1.00) | (0.76) | (0.83) | (−0.73) | (0.05) | |
| RDCi,t× RDinti,t | −0.199*** | −0.151** | −0.164 | −0.366*** | −0.308** | −0.120 | 0.154** | 0.082 |
| (−3.96) | (−1.98) | (−1.52) | (−3.98) | (−2.30) | (−0.61) | (2.35) | (1.56) | |
| OTCi,t | −0.004* | −0.008* | −0.015*** | −0.006 | −0.017** | −0.030*** | 0.003 | −0.000 |
| (−1.69) | (−1.95) | (−2.82) | (−1.12) | (−2.18) | (−2.85) | (0.75) | (−0.16) | |
| RDCi,t | −0.002 | −0.004* | −0.001 | −0.005* | −0.007* | −0.008 | −0.001 | 0.001 |
| (−1.55) | (−1.72) | (−0.45) | (−1.65) | (−1.83) | (−1.43) | (−0.63) | (0.36) | |
| UEi,t | 0.001** | 0.001*** | ||||||
| (1.97) | (2.83) | |||||||
| ROAi,t | 0.557*** | 0.464*** | 0.397*** | |||||
| (33.68) | (21.85) | (14.67) | ||||||
| ROEi,t | 0.496*** | 0.370*** | 0.319*** | 0.042*** | 0.022*** | |||
| (32.01) | (16.68) | (12.05) | (4.70) | (2.93) | ||||
| Sizei,t | 0.006*** | 0.006*** | 0.005*** | 0.013*** | 0.013*** | 0.012*** | 0.004*** | 0.003*** |
| (11.55) | (6.49) | (4.13) | (12.63) | (8.08) | (5.58) | (5.65) | (5.75) | |
| Levi,t | −0.033*** | −0.033*** | −0.027*** | −0.008 | 0.002 | 0.016 | −0.007** | −0.005 |
| (−11.41) | (−7.50) | (−4.62) | (−1.63) | (0.27) | (1.56) | (−2.10) | (−1.59) | |
| MBi,t | 0.012*** | 0.008*** | 0.005** | 0.023*** | 0.019*** | 0.012*** | 0.005*** | 0.005*** |
| (11.61) | (4.97) | (2.32) | (12.00) | (5.98) | (2.98) | (4.18) | (4.57) | |
| Growthi,t | 0.008*** | −0.006* | −0.018*** | 0.021*** | −0.001 | −0.026*** | −0.000 | −0.001 |
| (3.72) | (−1.77) | (−4.38) | (5.33) | (−0.24) | (−3.54) | (−0.11) | (−0.46) | |
| RDinti,t | 0.589*** | 0.642*** | 0.683*** | 1.212*** | 1.425*** | 1.295*** | −0.145*** | −0.094** |
| (13.51) | (10.15) | (7.82) | (15.93) | (12.62) | (8.46) | (−2.76) | (−2.12) | |
| Constant | −0.107*** | −0.057** | −0.075*** | −0.251*** | −0.216*** | −0.220*** | −0.103*** | −0.085*** |
| (−7.44) | (−2.56) | (−2.67) | (−9.93) | (−6.07) | (−3.87) | (−5.76) | (−5.88) | |
| Fixed Effects | ||||||||
| Industry | YES | YES | YES | YES | YES | YES | YES | YES |
| Year | YES | YES | YES | YES | YES | YES | YES | YES |
| # of Obs. | 11,110 | 8,224 | 5,899 | 11,110 | 8,194 | 5,868 | 10,873 | 10,873 |
| Adj. R2 | 0.510 | 0.346 | 0.252 | 0.416 | 0.260 | 0.189 | 0.027 | 0.020 |
| Return on assets | Return on equity | CAR | ||||||
|---|---|---|---|---|---|---|---|---|
| −0.031 | 0.062 | 0.172 | −0.158 | 0.165 | 0.236 | −0.081 | 0.005 | |
| (−0.33) | (0.48) | (1.02) | (−1.00) | (0.76) | (0.83) | (−0.73) | (0.05) | |
| −0.199*** | −0.151** | −0.164 | −0.366*** | −0.308** | −0.120 | 0.154** | 0.082 | |
| (−3.96) | (−1.98) | (−1.52) | (−3.98) | (−2.30) | (−0.61) | (2.35) | (1.56) | |
| −0.004* | −0.008* | −0.015*** | −0.006 | −0.017** | −0.030*** | 0.003 | −0.000 | |
| (−1.69) | (−1.95) | (−2.82) | (−1.12) | (−2.18) | (−2.85) | (0.75) | (−0.16) | |
| −0.002 | −0.004* | −0.001 | −0.005* | −0.007* | −0.008 | −0.001 | 0.001 | |
| (−1.55) | (−1.72) | (−0.45) | (−1.65) | (−1.83) | (−1.43) | (−0.63) | (0.36) | |
| 0.001** | 0.001*** | |||||||
| (1.97) | (2.83) | |||||||
| 0.557*** | 0.464*** | 0.397*** | ||||||
| (33.68) | (21.85) | (14.67) | ||||||
| 0.496*** | 0.370*** | 0.319*** | 0.042*** | 0.022*** | ||||
| (32.01) | (16.68) | (12.05) | (4.70) | (2.93) | ||||
| 0.006*** | 0.006*** | 0.005*** | 0.013*** | 0.013*** | 0.012*** | 0.004*** | 0.003*** | |
| (11.55) | (6.49) | (4.13) | (12.63) | (8.08) | (5.58) | (5.65) | (5.75) | |
| −0.033*** | −0.033*** | −0.027*** | −0.008 | 0.002 | 0.016 | −0.007** | −0.005 | |
| (−11.41) | (−7.50) | (−4.62) | (−1.63) | (0.27) | (1.56) | (−2.10) | (−1.59) | |
| 0.012*** | 0.008*** | 0.005** | 0.023*** | 0.019*** | 0.012*** | 0.005*** | 0.005*** | |
| (11.61) | (4.97) | (2.32) | (12.00) | (5.98) | (2.98) | (4.18) | (4.57) | |
| 0.008*** | −0.006* | −0.018*** | 0.021*** | −0.001 | −0.026*** | −0.000 | −0.001 | |
| (3.72) | (−1.77) | (−4.38) | (5.33) | (−0.24) | (−3.54) | (−0.11) | (−0.46) | |
| 0.589*** | 0.642*** | 0.683*** | 1.212*** | 1.425*** | 1.295*** | −0.145*** | −0.094** | |
| (13.51) | (10.15) | (7.82) | (15.93) | (12.62) | (8.46) | (−2.76) | (−2.12) | |
| −0.107*** | −0.057** | −0.075*** | −0.251*** | −0.216*** | −0.220*** | −0.103*** | −0.085*** | |
| (−7.44) | (−2.56) | (−2.67) | (−9.93) | (−6.07) | (−3.87) | (−5.76) | (−5.88) | |
| Industry | YES | YES | YES | YES | YES | YES | YES | YES |
| Year | YES | YES | YES | YES | YES | YES | YES | YES |
| # of Obs. | 11,110 | 8,224 | 5,899 | 11,110 | 8,194 | 5,868 | 10,873 | 10,873 |
| Adj. | 0.510 | 0.346 | 0.252 | 0.416 | 0.260 | 0.189 | 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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