Wallace, I.F.; Lindner, Robert K.; Dole, David D. - Australian Agricultural and Resource Economics Society … - 1997
Harvest efficiency in the production functions of fisheries should increase over time with the introduction of new … catch and effort data for four lobster fisheries and compared the regression results for different time periods. We also … catchability coefficients have decreased significantly over time in all four fisheries. We suggest that one important source of …