描绘 发表于 2025-3-25 04:18:57

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mediocrity 发表于 2025-3-25 09:41:39

On Optimal Harvesting of Fluctuating Fish Stocks: The Case of the Arcto-Norwegian Codies in the ArctoNorwegian cod fishery; constant catch quotas and constant effort quotas. There are obvious advantages of stabilizing either of these. Stabilizing the annual catch will eliminate uncertainty in the processing industry, provide stable inputs and may facilitate marketing. Stabilizing fi

synovial-joint 发表于 2025-3-25 12:48:04

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跟随 发表于 2025-3-25 18:44:47

https://doi.org/10.1007/978-1-4614-8763-0ns by Hannesson (1983), Falk (1985), Conrad and Adu-Asamoha (1986), Ragozin and Brown (1985), Flaaten (1988) and Tu (1988). For the predator-prey case, the typical approach has been to assume that cost functions are linear in effort, resulting in bang-bang and singular controls..

eucalyptus 发表于 2025-3-25 23:41:16

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柱廊 发表于 2025-3-26 01:55:26

Introductionose of mainly theoretical and those of mainly empirical orientation. The reader should note, however, that some of the empirical papers have a considerable theoretical content. Thus, this classification is by no means precise.

含糊其辞 发表于 2025-3-26 06:38:36

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Mitigate 发表于 2025-3-26 10:49:06

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ABYSS 发表于 2025-3-26 16:37:01

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引起 发表于 2025-3-26 16:46:59

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查看完整版本: Titlebook: Essays on the Economics of Migratory Fish Stocks; Ragnar Arnason,Trond Bjørndal Conference proceedings 1991 Springer-Verlag Berlin Heidelb