A. CEO Compensation and Performance Variables | ||||||
Salary and Bonus | ||||||
 Mean | 1187.78 | 1213.81 | 1231.31 | 1219.18 | 1268.23 | 1335.85 |
 Median | 1077.11 | 1058.08 | 965 | 964.93 | 1148.51 | 1148.57 |
 StdDev | 844.25 | 930.27 | 998.05 | 918.12 | 888.13 | 1097.34 |
 Minimum | 141.66 | 104.80 | 36.36 | 74 | 74 | 119.88 |
 Maximum | 4109.9 | 4399.9 | 4030 | 4282.5 | 3725 | 6790 |
 N | 67 | 70 | 73 | 74 | 71 | 66 |
Stock Options | ||||||
 Mean | 603.60 | 1574.27 | 1449.12 | 2311.22 | 1927.23 | 2785.05 |
 Median | 47.65 | 312.73 | 191.67 | 578.03 | 541.4 | 743.79 |
 StdDev | 924.12 | 3315.43 | 4577.57 | 6234.45 | 3082.39 | 7604.73 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
 Maximum | 3666.38 | 16,068.52 | 38,000 | 40,000 | 16,172 | 54,189 |
 N | 65 | 70 | 72 | 73 | 71 | 65 |
Restricted Stock | ||||||
 Mean | 110.63 | 190.13 | 210.50 | 279.55 | 340.66 | 417.54 |
 Median | 0 | 0 | 0 | 0 | 0 | 0 |
 StdDev | 314 | 1141.29 | 714.63 | 1334.87 | 1027.58 | 1607.9 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
 Maximum | 1750 | 9394.34 | 3849.5 | 10,476.6 | 5520.04 | 11,800 |
 N | 67 | 70 | 73 | 74 | 71 | 66 |
Other Compensation | ||||||
 Mean | 81.99 | 137.64 | 178.54 | 151.84 | 185.59 | 209.80 |
 Median | 21.39 | 32.42 | 42.31 | 47.95 | 70.43 | 46.50 |
 StdDev | 151.97 | 274.36 | 381.96 | 294.79 | 440.94 | 466.57 |
 Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
 Maximum | 826.33 | 1762.82 | 2188.43 | 2004.94 | 3097.38 | 2938.93 |
 N | 68 | 70 | 73 | 74 | 71 | 66 |
Stock Return | ||||||
 Mean | 0.219 | 0.212 | 0.263 | 0.255 | 0.107 | 0.239 |
 Median | 0.147 | 0.179 | 0.173 | 0.134 | 0.104 | 0.083 |
 StdDev | 0.379 | 0.410 | 0.454 | 0.578 | 0.387 | 0.930 |
 Minimum | −0.47 | −0.72 | −0.40 | −0.72 | −0.70 | −0.79 |
 Maximum | 1.59 | 1.90 | 2.05 | 3.10 | 1.50 | 6.83 |
 N | 71 | 74 | 75 | 75 | 75 | 69 |
B. Corporate Governance Variables | ||||||
Component 1 – Board Structure | ||||||
 Percentage of Independent Directors | ||||||
  Mean | 0.579 | 0.620 | 0.611 | 0.622 | 0.627 | 0.624 |
  Median | 0.615 | 0.688 | 0.667 | 0.667 | 0.646 | 0.667 |
  StdDev | 0.207 | 0.183 | 0.182 | 0.196 | 0.201 | 0.193 |
  Minimum | 0 | 0.143 | 0.143 | 0 | 0.111 | 0 |
  Maximum | 0.909 | 0.923 | 0.941 | 0.909 | 0.917 | 0.889 |
  N | 59 | 63 | 67 | 71 | 72 | 65 |
 Percentage of Interlocked Directors | ||||||
  Mean | 0.039 | 0.029 | 0.025 | 0.024 | 0.024 | 0.023 |
  Median | 0 | 0 | 0 | 0 | 0 | 0 |
  StdDev | 0.069 | 0.052 | 0.052 | 0.054 | 0.060 | 0.061 |
  Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
  Maximum | 0.333 | 0.2 | 0.231 | 0.308 | 0.308 | 0.333 |
  N | 58 | 62 | 66 | 71 | 72 | 65 |
 Percentage of Female Directors | ||||||
  Mean | 0.074 | 0.080 | 0.079 | 0.077 | 0.080 | 0.089 |
  Median | 0.083 | 0.083 | 0.083 | 0.083 | 0.083 | 0.091 |
  StdDev | 0.075 | 0.068 | 0.070 | 0.068 | 0.071 | 0.072 |
  Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
  Maximum | 0.3 | 0.231 | 0.25 | 0.273 | 0.3 | 0.273 |
  N | 59 | 63 | 67 | 71 | 72 | 65 |
 | Year − 2 | Year − 1 | Year 0 | Year + 1 | Year + 2 | Year + 3 |
 CEO Power | ||||||
  Mean | 1.32 | 1.38 | 1.35 | 1.37 | 1.46 | 1.32 |
  Median | 1 | 1 | 1 | 1 | 1.5 | 1 |
  StdDev | 0.68 | 0.68 | 0.71 | 0.73 | 0.79 | 0.74 |
  Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
  Maximum | 3 | 3 | 3 | 3 | 3 | 3 |
  N | 59 | 63 | 66 | 70 | 70 | 63 |
Component 2 – Committee Independence | ||||||
 Percentage of Independent Directors in Audit Committee | ||||||
  Mean | 0.82 | 0.83 | 0.84 | 0.85 | 0.87 | 0.84 |
  Median | 1 | 1 | 1 | 1 | 1 | 1 |
  StdDev | 0.23 | 0.22 | 0.19 | 0.24 | 0.23 | 0.26 |
  Minimum | 0 | 0 | 0.33 | 0 | 0 | 0 |
  Maximum | 1 | 1 | 1 | 1 | 1 | 1 |
  N | 57 | 61 | 64 | 70 | 71 | 63 |
Percentage of Independent Directors in Compensation Committee | ||||||
  Mean | 0.80 | 0.83 | 0.85 | 0.86 | 0.87 | 0.88 |
  Median | 0.8 | 1 | 1 | 1 | 1 | 1 |
  StdDev | 0.24 | 0.26 | 0.26 | 0.26 | 0.25 | 0.22 |
  Minimum | 0 | 0 | 0 | 0 | 0 | 0 |
  Maximum | 1 | 1 | 1 | 1 | 1 | 1 |
  N | 57 | 59 | 61 | 69 | 69 | 61 |
Component 3 – Board and Committee Meetings | ||||||
 Board Meetings |  |  | ||||
  Mean | 7.71 | 7.31 | 8.16 | 7 | 7.14 | 7.18 |
  Median | 8 | 7 | 8 | 7 | 6 | 6 |
  StdDev | 2.68 | 2.8 | 3 | 2.22 | 3.1 | 2.54 |
  Minimum | 1 | 1 | 1 | 1 | 1 | 1 |
  Maximum | 16 | 15 | 18 | 12 | 24 | 18 |
  N | 58 | 64 | 68 | 68 | 63 | 61 |
 Audit Committee Meetings |  |  | ||||
  Mean | 3.38 | 3.46 | 3.26 | 3.35 | 3.22 | 3.48 |
  Median | 3 | 3 | 3 | 3 | 3 | 3 |
  StdDev | 1.40 | 1.43 | 1.57 | 1.47 | 1.30 | 1.78 |
  Minimum | 1 | 0 | 0 | 0 | 1 | 1 |
  Maximum | 7 | 7 | 8 | 8 | 7 | 11 |
  N | 58 | 63 | 66 | 66 | 64 | 61 |
 Compensation Committee Meetings |  |  |  |  | ||
  Mean | 4.63 | 4.92 | 4.79 | 4.45 | 4.47 | 4.39 |
  Median | 4 | 5 | 5 | 4 | 4 | 4 |
  StdDev | 2.02 | 1.97 | 2.36 | 1.92 | 2.13 | 2.05 |
  Minimum | 1 | 1 | 0 | 1 | 1 | 1 |
  Maximum | 9 | 9 | 13 | 9 | 13 | 10 |
  N | 56 | 59 | 63 | 66 | 62 | 59 |
 Component 4 – Institutional Ownership | ||||||
  Mean | 0.491 | 0.521 | 0.538 | 0.567 | 0.573 | 0.580 |
  Median | 0.535 | 0.568 | 0.571 | 0.603 | 0.633 | 0.632 |
  StdDev | 0.186 | 0.195 | 0.198 | 0.199 | 0.190 | 0.198 |
  Minimum | 0 | 0.059 | 0.049 | 0.044 | 0.039 | 0.057 |
  Maximum | 0.791 | 0.935 | 1 | 0.993 | 0.846 | 0.900 |
  N | 72 | 72 | 73 | 73 | 70 | 64 |