Recall and recordkeeping surveys of 324 farms demonstrate the potential for improving yields in Philippine milkfish farms. Implications of observed economies of scale are also discussed.

Rice farming covers nearly one-third of the arable land of Asia. The study shows results that are useful for policymakers wishing to promote new diversification opportunities in the crop sector. It describes some of the complexities in understand farming households and farm labor use and how...

Full results of 18 major livestock-fish farming experiments in which tilapia were grown using excreta from chickens, ducks and pigs over a 3-year period. Includes economic analyses and forecasts and 26 pages of raw and summary data.

Vor dem Hintergrund wachsender Umweltprobleme im Bereich der Nordsee und der Ostsee ist die Zusammenarbeit der Anrainerstaaten dieser beiden Meere in den zurückliegenden Jahrzehnten enger geworden. Im vorliegenden Beitrag wird ein Überblick über die bestehenden internationalen Umweltabkommen...

This paper demonstrates that cooperation in international environmental negotiations can be explained by preferences for equity. Within a N-country prisoner?s dilemma in which agents can either cooperate or defect, in addition to the standard non-cooperative equilibrium, cooperation of a large...

This paper presents the model of an economy subject to the mass conservation principle. The economic system is related to the environment by a flow of virgin materials into the economy, and by the diffusion of waste into the environment. Ecoefficiency contributes to reducing material waste in...

This paper presents the model of an economy subject to the mass conservation principle. The economic system is related to the environment by a flow of virgin materials into the economy, and by the diffusion of waste into the environment. Ecoefficiency contributes to reducing material waste in...