The effects of state government regulation of primary industry are modelled. An analytical framework is presented for estimating the costs of regulation in terms of changes in economic surplus. The model permits trade between regions of the total market. An illustrative application of the...

The Eastern tuna and billfish fishery (ETBF) is currently managed through an input quotasystem based on individual transferable effort units (the number of hooks) and a totalallowable effort level (i.e. total number of hooks) A spatial management policy based on aseries of differential...