Variable | Annual Data | Quarterly Data | ||||||
---|---|---|---|---|---|---|---|---|
Mean | St. Dev. | Min. | Max. | Mean | St. Dev. | Min. | Max. | |
Return on sales | 0.057 | 0.083 | −0.309 | 0.314 | 0.061 | 0.128 | −1.546 | 0.727 |
Sales growth | 0.038 | 0.127 | −0.382 | 0.762 | 0.046 | 0.146 | −0.512 | 1.054 |
Capital intensity | 0.069 | 0.038 | 0.006 | 0.248 | 0.077 | 0.068 | 0.001 | 1.500 |
Asset age | 0.534 | 0.122 | 0.286 | 0.983 | 0.538 | 0.123 | 0.278 | 0.999 |
Firm size | 22.034 | 1.464 | 17.606 | 24.538 | 21.905 | 1.348 | 17.606 | 24.590 |
Firm market share | 0.119 | 0.168 | 0.001 | 0.921 | 0.140 | 0.196 | 0.001 | 0.934 |
Industry concentration | 0.654 | 0.191 | 0.323 | 1.000 | 0.676 | 0.189 | 0.359 | 1.000 |
Discharge limit | 1.382 | 2.197 | 0.047 | 14.636 | 1.597 | 2.521 | 0.047 | 14.636 |
Number of observations | 337 | 926 | ||||||
Number of firms | 73 | 59 |