Table 2.

Structural break test results for catch-share fisheries

Catch-share fishery, year implemented
NetworkNetwork metricHalibut IFQ, 1995Sablefish IFQ, 1995AFA pollock, 2000BB king crab IFQ, 2005BS snow crab IFQ, 2006Rockfish coops, 2007
Node size−0.37*** (0.00)−0.38*** (0.00)−0.10*** (0.17)−0.99*** (0.00)−0.65*** (0.00)0.11*** (0.16)
Cross-fisheryWeighted degree−0.34*** (0.00)−0.35*** (0.00)−0.33*** (0.00)−1.03*** (0.00)−0.12* (0.58)0.060 (0.53)
Cross-fisheryWeighted centrality0.031 (0.71)0.027 (0.71)0.21*** (0.13)−0.17*** (0.32)−0.19*** (0.25)0.13* (0.26)
MigrationWeighted out-degree1.06*** (0.00)0.84*** (0.00)0.040 (0.88)1.42*** (0.16)1.09*** (0.08)−2.44*** (0.11)
MigrationWeighted out-centrality0.67*** (0.00)0.53*** (0.00)0.27 (0.54)0.69 (0.58)0.30*** (0.33)−0.55** (0.53)
  • P values from placebo tests are in parentheses.

  • *P <0:10; **P <0:05; ***P <0:01. BB, Bristol Bay; BS, Bering Sea; IFQ, individual fishing quota.

  • The program implementation date was 1999, but applied to catcher vessels in 2000.