Guajardo, Pedro; Torres, Julio Peña; Ramirez, Hector - ILADES, Facultad de Economía y Negocios - 2009
This note deals with a harvesting model for a single stock fishery. In the case of small pelagic fish it seems reasonable to consider harvest functions depending nonlinearly on fishing effort and on fish stock. Empirical evidence about these fish species suggests that marginal catch does not...