Test of Errors in Effort Variable, Using Stock Remaining After Fishing Previous Season as Instrument for Stock
| Regressor | Gill Nets | Long Line | Hand Line | Danish Seine | ||||
|---|---|---|---|---|---|---|---|---|
| IV | OLS | IV | OLS | IV | OLS | IV | OLS | |
| Stock | 0.6558 | 0.4224 | 0.7055 | 0.7839 | 0.4499 | 0.5396 | 0.8005 | 0.8527 |
| Boats | 0.9695 | 1.0331 | 0.5825 | 0.5160 | 0.7328 | 0.7033 | 1.1203 | 1.1401 |
| d00-05 | −1.6761 | −1.5517 | − 0.4296 | −0.3243 | −1.2519 | −1.3435 | ||
| d06−11 | −1.5736 | −1.4070 | − 0.3894 | −0.2796 | −1.2981 | −1.4255 | ||
| d12−17 | −1.3520 | −1.1434 | − 0.6245 | −0.5115 | −1.0759 | − 1.1827 | ||
| d18−23 | −0.8254 | −0.6544 | −0.7986 | −0.6982 | − 0.0827 | − 0.1427 | ||
| d24−29 | −0.7880 | −0.4840 | −0.2735 | −0.1940 | 0.3009 | 0.2153 | ||
| d30−35 | −0.7345 | −0.4765 | −0.6514 | −0.5804 | 0.1332 | 0.0841 | ||
| d36−41 | −0.6371 | −0.3859 | − 0.1608 | −0.1202 | 0.3796 | 0.3286 | ||
| d42−47 | −0.2874 | 0.0154 | −0.0030 | 0.0237 | 0.5394 | 0.4700 | ||
| d48−53 | − 0.4148 | −0.1520 | −0.3489 | −0.3485 | 0.0975 | 0.0454 | ||
| d54−59 | −0.4487 | −0.3535 | − 0.0301 | −0.0009 | 0.1020 | 0.0922 | 0.4215 | 0.4320 |
| d60−65 | −0.3853 | −0.3597 | − 0.0795 | −0.0343 | 0.1001 | 0.0958 | −0.4987 | − 0.4920 |
| d66−71 | 0.4464 | 0.4250 | 0.6501 | 0.6733 | 0.7896 | 0.8049 | −0.1806 | −0.1760 |
| d72−77 | 0.1262 | 0.1579 | 0.6455 | 0.6514 | 0.5233 | 0.5160 | 0.0934 | 0.0831 |
| d78−83 | 0.3839 | 0.4038 | 0.7153 | 0.7268 | 0.6708 | 0.6753 | 0.3004 | 0.2924 |
| χ2 | 2.23 | 19.7 | 9.62 | 3.21 | ||||
| p > χ2 | 1 | 0.2341 | 0.8855 | 0.8645 | ||||