Misreported Landings of North Sea Cod: Estimation of the True Level of Aggregate Landings 1983-2003 Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/xk81jm244

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  • It is widely believed that there have been significant levels of cod landed from the North Sea over and above permitted quota levels in recent years as the TAC and quota system of the Common Fisheries Policy has squeezed the fishing opportunities of EU fleets in an attempt to conserve the fish stock. The extent is described diplomatically as "Unallocated" in ICES Working Group Reports which suggest that the amount has exceeded 10% of official landings at times but at other times, when the fish have been particularly scarce, ghost fish have been reported in order to preserve track record. This data-fouling weakens scientific and economic modelling of the fisheries. However, a way of calculating the amount of misreporting is to observe the behaviour of the fish markets. Studies conducted on the fisheries around the North Sea have indicated that cod prices respond to the quantity landed despite being part of a large international market. After testing for market integration and the direction of causality in the demand system, this project models the market for North Sea cod as an international unit and uses dummy variables on both the intercept and gradient of the demand curve to separate the impact of misreported landings from the residuals. The product is a revised series of aggregate landings of North Sea cod.
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  • Rodgers, Philip. 2006. Misreported Landings of North Sea Cod: Estimation of the True Level of Aggregate Landings 1983-2003. In: Proceedings of the Thirteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 11-14, 2006, Portsmouth, UK: Rebuilding Fisheries in an Uncertain Environment. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2006. CD ROM. ISBN 0-9763432-3-1
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