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...

A method of deriving rules for optimal fertilizer application when there is carryover is presented. The carryover situations considered are: carryover a deterministic function of fertilizer available in the previous period; carryover a deterministic function of fertilizer applied in more than one...

Retaliation and other strategic trade policies can be readily observed in world commodity markets. Strategic behaviour can be analysed with game-theoretic models. Game theory is used to assess the effects of retaliation, given that traders assume that rivals will respond to any policy change....