The objectives of the paper are twofold: to review valuation methods for plant genetic resources and to develop methods to estimate the past and potential future benefits, both domestic and international, of existing germplasm collections in Papua New Guinea (PNG). The analysis concentrates on...

Where a fish stock straddles or migrates between country A's exclusive economic zone (EEZ) and country B's EEZ, or the high seas, vesting ownership rights in the stock with A does not ensure efficient harvesting of the stock. This problem arises in the case of migratory tuna stocks in the...

This paper examines the outcomes of alternative management scenarios for the Southern Bluefin Tuna (SBT) fishery over the next 30 years. Two criteria are used to characterise outcomes: economic efficiency as measured by the present value of net benefits generated and conservation as measured by...