Different property rights regimes in the Lake Victoria multiple species fishery
نویسندگان
چکیده
منابع مشابه
Property Rights in a Fishery: Regulatory Change and Firm Performance
A new method is introduced and applied to analyze changes in productivity of Þrms harvesting a natural capital stock. The index-number technique decomposes the contributions of output prices, variable input prices, Þxed inputs and productivity to Þrm proÞts, adjusted for changes in the natural capital stock. An application of the method is given using micro-level data from a common-pool resourc...
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Among the questions that ecosystem-based management raises for economists is how to partition uses of the many biological, chemical and physical attributes of marine ecosystems into sets of property rights that undergird total ocean wealth. An elemental basis of property rights for fisheries involves the interplay between ecological and technological interactions, including sideeffects (externa...
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Many fisheries are potentially very valuable. According to a recent report by the World Bank and the FAO (2008), global fisheries rents could be as high as US$ 40-60 billion annually on a sustainable basis. However, according to the report, due to the “common property problem”, most fisheries of the world are severely overexploited and generate no economic rents. The Lake Victoria Nile perch fi...
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O environmental degradation, and redistribution of surface water have placed great stress on inland fisheries throughout the world. Human activities usually shift the balance among fish species, causing the extirpation of many indigenous species and the dominance of a reduced set of often introduced fish species. The result has been a massive reshaping of fish communities in the world’s fresh w...
متن کاملStock assessment of fishery target species in Lake Koka, Ethiopia.
Effective management is essential for small-scale fisheries to continue providing food and livelihoods for households, particularly in developing countries where other options are often limited. Studies on the population dynamics and stock assessment on fishery target species are thus imperative to sustain their fisheries and the benefits for the society. In Lake Koka (Ethiopia), very little is...
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ژورنال
عنوان ژورنال: Environment and Development Economics
سال: 2005
ISSN: 1355-770X,1469-4395
DOI: 10.1017/s1355770x04001779