Table 3 Random effects logistic regression for new products
From: Search depth, knowledge characteristics, and innovation performance
| Â | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
Search depth |  | −0.02 (0.12) | 0.58* (0.28) | 0.70* (0.28) | 0.34 (0.30) | 0.46 (0.31) |
Search depth squared |  |  | −0.25^ (0.14) | −0.23^ (0.13) | −0.27^ (0.14) | −0.25^ (0.14) |
Search depth × knowledge depth |  |  |  | −0.08* (0.04) |  |  |
Search depth × knowledge scope |  |  |  |  | 1.08** (0.37) |  |
Search depth × technological opportunities |  |  |  |  |  | 0.01 (0.01) |
Knowledge depth | 0.06** (0.02) | 0.06** (0.02) | 0.07** (0.02) | 0.10*** (0.03) | 0.07*** (0.02) | 0.07** (0.02) |
Knowledge scope | 0.41^ (0.22) | 0.40^ (0.22) | 0.44^ (0.23) | 0.39^ (0.23) | 0.41^ (0.23) | 0.44^ (0.23) |
Technological opportunities | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) | 0.00 (0.01) |
Year 1990 | 0.34 (0.28) | 0.34 (0.28) | 0.37 (0.28) | 0.30 (0.28) | 0.40 (0.28) | 0.36 (0.28) |
Year 1991 | 0.01 (0.29) | 0.01 (0.29) | 0.03 (0.29) | −0.03 (0.29) | 0.05 (0.29) | 0.02 (0.29) |
Year 1992 | 0.07 (0.28) | 0.07 (0.28) | 0.09 (0.28) | 0.02 (0.28) | 0.11 (0.28) | 0.08 (0.28) |
Year 1993 | 0.17 (0.28) | 0.17 (0.28) | 0.21 (0.28) | 0.15 (0.28) | 0.22 (0.28) | 0.20 (0.28) |
Year 1994 | 0.35 (0.26) | 0.35 (0.26) | 0.39 (0.26) | 0.34 (0.26) | 0.41 (0.26) | 0.38 (0.26) |
Year 1995 | 0.14 (0.27) | 0.13 (0.27) | 0.16 (0.27) | 0.11 (0.27) | 0.20 (0.27) | 0.15 (0.27) |
Year 1996 | 0.36 (0.26) | 0.37 (0.26) | 0.37 (0.25) | 0.34 (0.25) | 0.39 (0.25) | 0.37 (0.25) |
Year 1997 | 0.27 (0.26) | 0.26 (0.26) | 0.28 (0.26) | 0.23 (0.26) | 0.26 (0.26) | 0.27 (0.26) |
Year 1998 | 0.17 (0.26) | 0.16 (0.26) | 0.19 (0.26) | 0.14 (0.26) | 0.19 (0.26) | 0.18 (0.25) |
Year 1999 | 0.34^ (0.19) | 0.34^ (0.19) | 0.38* (0.19) | 0.37^ (0.19) | 0.39* (0.19) | 0.37^ (0.19) |
Diversification | 0.18 (0.19) | 0.20 (0.19) | 0.22 (0.19) | 0.18 (0.19) | 0.20 (0.19) | 0.20 (0.19) |
Research size | 0.00* (0.00) | 0.00* (0.00) | 0.00* (0.00) | 0.00* (0.00) | 0.00* (0.00) | 0.00* (0.00) |
Performance | 0.35* (0.14) | 0.35* (0.14) | 0.34* (0.14) | 0.36* (0.15) | 0.31* (0.14) | 0.34* (0.14) |
Demand growth | 0.02 (0.01) | 0.02 (0.01) | 0.02 (0.01) | 0.02 (0.01) | 0.02 (0.01) | 0.02 (0.01) |
Constant | 0.34 (0.27) | 0.33 (0.27) | 0.03 (0.30) | 0.09 (0.30) | 0.02 (0.30) | 0.04 (0.30) |
Log likelihood | −1,395.6 | −1,395.1 | −1,391.9 | −1,389.5 | −1,387.3 | −1,391.5 |
Wald chi-square (df) | 43.6 (17) | 45.4 (18) | 52.7 (19) | 56.5 (20) | 66.4 (20) | 53.7 (20) |