Jón Scheving

blur, chart, computer

Development of the yield requirement of RVÍK and OR in autumn 2024

Below you can see how the indexed return on the City of Reykjavík and Orkuveituna has been moving this autumn. The graph shows the demand in September (x) and November (o) for individual bonds of RVÍK and OR. The blue and yellow lines are found using the Nelson–Siegel–Svenson method, which uses mathematical methods to draw a refined line

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Gray Fish on White Plastic Container

The development of the concentration of fishing resources in recent fishing years

Employees have written an article in Vísbendingu about the development of concentration of hunting permits in Vísbendingu and there is a link to the article here. It is surprising that consolidation has decreased in recent years and despite SVN's purchase of Vísi and Ísfélag's purchase of Ramma. The reason is the decreasing resources for fur hunting. This can be seen in the following figure which shows that the concentration in cod value tonnes

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Consolidation in the fishing industry

Arev employees wrote an article in Vísbendingu about consolidation in the fishing industry. Link to the article is here. The article includes a table showing the MHHI, HHI, CR3 and CR8 for the fishing year 23/24 based on ownership at the end of 2023: Species MHHI value HHI value CR3% CR8% Thorski value (%) 706 595 27.6 61.6 Perch/golden perch 1,508 1,239 42.7 74.9 Cod

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Better merge notifications

Árni Mathiesen and Særós Óskarsdóttir have written an article in Viðskiptablaðir about the importance of better merger announcements. It states, among other things, that by conducting a detailed market study and evaluating the main merger factors before a merger notification is sent to the Competition Authority, the speed of proceedings can be increased significantly. The article can be accessed here.

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Arev catch target calculator opened for subscribers

The system calculates the allocated catch limit. Shows the percentage of selected shipping companies of the total catch target at any given time and depending on the selection, the effect of the purchase/merger of possible companies. You can choose basic assumptions based either on the current legal environment or assumptions in the draft bill on fisheries, Example of a calculation that shows the market share of the largest fisheries based on the catch limit after allocation of the catch limit

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Nature spread salmon hundreds of kilometers

Arev employees wrote an article in Vísbendingu about the distribution of salmon this year after a release event in Kvígindisdal last summer. It turned out that salmon spread west and east from Patreksfjörður. In the picture you can see which salmon were distributed in the fishing spots (years), but the picture shows 457 salmon caught and their distribution is obtained from http://www.strokulax.is. About 22%

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A report on the risk assessment of genetic admixture

At a meeting in Sjávarklasan in early March, mathematician Jón Scheving Thorsteinsson presented the results of Arev's analysis and review work on the risk assessment of genetic mixing and presented criticism of numerous aspects of the current risk assessment. Arev's work was done for the National Association of Fishing Associations. The meeting was attended by representatives of the Ministry of Food, the Norwegian Marine Research Institute, the National Association of Fishing Associations, fishing rights holders and nature conservation organizations. By clicking here you can access the presentation

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