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  1. Book ; Conference proceedings: Special issue: Objectives and uncertainties in fisheries management with emphasis on three North Atlantic ecosystems

    Flaaten, Ola

    a selection of papers presented at an international symposium in Bergen, Norway, 3-5 June 1997

    (Fisheries research ; 37,1/3)

    1998  

    Title variant Objectives and uncertainties in fisheries management with emphasis on three North Atlantic ecosystems
    Author's details guest ed.: O. Flaaten
    Series title Fisheries research ; 37,1/3
    Collection
    Keywords Atlantischer Ozean ; Meeresökosystem ; Seefischerei ; Entscheidung bei Unsicherheit ; Barentssee
    Subject Unsicherheit ; Entscheidung unter Unsicherheit ; Meeresfischerei ; Meer
    Size VIII, 310 S. : Ill., graph. Darst., Kt.
    Publisher Elsevier
    Publishing place Amsterdam u.a.
    Publishing country Netherlands
    Document type Book ; Conference proceedings
    HBZ-ID HT010085405
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    Z 3666 (37-39) available for loan (reading room) Freihandmagazin (U1)

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  2. Book: Naturressursenes økonomi

    Flåten, Ola

    2014  

    Author's details red.: Ola Flåten
    Keywords Ressourcenökonomik ; Natürliche Ressourcen ; Erschöpfbare Ressourcen ; Norwegen
    Language Norwegian
    Size 505 S., Ill., graph. Darst.
    Edition 1. utgave, 1. opplag
    Publisher Gyldendal Akademisk Forlag
    Publishing place Oslo
    Document type Book
    Note Enth. 14 Beitr.
    ISBN 9788205468337 ; 8205468338
    Database ECONomics Information System

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  3. Book: The economics of multispecies harvesting

    Flaaten, Ola

    theory and application to the Barents Sea fisheries

    (Studies in contemporary economics)

    1988  

    Series title Studies in contemporary economics
    Keywords Barentssee ; Ökosystem ; Fischerei ; Modell
    Subject Berufsfischerei ; Fischereiwesen ; Biosystem ; Ökosysteme
    Language German
    Size IV, 162 S. : graph. Darst.
    Publisher Springer
    Publishing place Berlin u.a.
    Document type Book
    HBZ-ID HT003661474
    ISBN 3-540-18985-8 ; 0-387-18985-8 ; 978-3-540-18985-5 ; 978-0-387-18985-7
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    908/752 order for loan Geschlossenes Magazin (U2)

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  4. Article: Middlemen: good for resources and fishermen?

    Thủy, Phạm Thị Thanh / Flaaten, Ola / Skonhoft, Anders

    Environment and development economics. 2019 Oct., v. 24, no. 5

    2019  

    Abstract: This paper studies the role of middlemen in open-access fisheries and how the organization of the supply chains affects resource exploitation and the level and distribution of economic rent. Imperfect competition among middlemen can help ensure that fish ...

    Abstract This paper studies the role of middlemen in open-access fisheries and how the organization of the supply chains affects resource exploitation and the level and distribution of economic rent. Imperfect competition among middlemen can help ensure that fish stocks are not depleted, which is typically the case in open-access fisheries with competitive markets. Middlemen with market power can also induce higher economic rent for the supply chain in total, but these rents mainly benefit the middlemen. The supply chains of inshore anchovy and offshore skipjack tuna fisheries in Vietnam are used as empirical examples. The analysis shows that in the anchovy supply chain, the middlemen have insignificant market power and the stock is being overexploited. In the skipjack tuna supply chain, the middlemen have oligopsony power and the stock is higher than the level that produces maximum sustainable yield.
    Keywords anchovies ; distribution (economics) ; fisheries ; fishermen ; imperfect competition ; Katsuwonus pelamis ; market power ; markets ; oligopsony ; supply chain ; Vietnam
    Language English
    Dates of publication 2019-10
    Size p. 437-456.
    Publishing place Cambridge University Press
    Document type Article
    ZDB-ID 1501045-4
    ISSN 1469-4395 ; 1355-770X
    ISSN (online) 1469-4395
    ISSN 1355-770X
    DOI 10.1017/S1355770X19000196
    Database NAL-Catalogue (AGRICOLA)

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  5. Article: Profitability Effects and Fishery Subsidies: Average Treatment Effects Based on Propensity Scores

    Duy, Nguyen Ngoc / Flaaten, Ola

    Marine resource economics. 2016 Oct., v. 31, no. 4

    2016  

    Abstract: This article uses the propensity-score matching method to examine the effects of a government subsidy program on the profitability of fisheries. The effects are analyzed at the individual vessel level through representative surveys of costs and earnings. ...

    Abstract This article uses the propensity-score matching method to examine the effects of a government subsidy program on the profitability of fisheries. The effects are analyzed at the individual vessel level through representative surveys of costs and earnings. Bioeconomic theory and a vessel economics framework for open-access fisheries are the basis for the empirical discussion of a case study involving Vietnam's offshore gillnet fishery. The results demonstrate that the subsidy program has positive effects on vessel profitability, but the profits erode over the two years of the analysis. Subsidies have a positive impact on the operating cash flows of large vessels but negative effects on their intra-marginal rent, and bring benefits to vessel owners rather than crew members. This study reports on the first treatment evaluation of subsidies in a Southeast Asian fishery and discusses evidence that fish stocks may be biologically overfished.JEL Codes: C31, D01, Q22, Q28.
    Keywords adverse effects ; bioeconomics ; case studies ; fish ; fisheries ; gillnets ; profitability ; profits and margins ; subsidies ; surveys ; Vietnam
    Language English
    Dates of publication 2016-10
    Size p. 373-402.
    Publishing place MRE Foundation, Inc.
    Document type Article
    ZDB-ID 2205767-5
    ISSN 2334-5985 ; 0738-1360
    ISSN (online) 2334-5985
    ISSN 0738-1360
    Database NAL-Catalogue (AGRICOLA)

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  6. Article: Profit and resource rent in fisheries

    Flåten, Ola / Heen, Knut / Matthiasson, Thorolfur

    Marine resource economics Vol. 32, No. 3 , p. 311-328

    2017  Volume 32, Issue 3, Page(s) 311–328

    Author's details Ola Flaaten and Knut Heen, Thórólfur Matthíasson
    Keywords Capitalized rent ; invisible resource rent ; fishery profit ; harvest shares ; ITQ ; IQ ; intra-marginal rent ; licenses ; limited entry ; transitional gains trap
    Language English
    Publisher Univ. of Chicago Press
    Publishing place Chicago, Ill
    Document type Article
    ZDB-ID 879672-5 ; 2205767-5
    ISSN 2334-5985 ; 0738-1360
    ISSN (online) 2334-5985
    ISSN 0738-1360
    Database ECONomics Information System

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  7. Article: Profit and Resource Rent in Fisheries

    Flaaten, Ola / Knut Heen / Thórólfur Matthíasson

    Marine resource economics. 2017 July, v. 32, no. 3

    2017  

    Abstract: The difference between the concepts of profit and rent are discussed theoretically and by using aggregated data from the Icelandic and Norwegian fish harvesting industries. The former is a basic indicator for gauging the business performance of firms and ...

    Abstract The difference between the concepts of profit and rent are discussed theoretically and by using aggregated data from the Icelandic and Norwegian fish harvesting industries. The former is a basic indicator for gauging the business performance of firms and industries, and the latter is important for the evaluation of the economic welfare contribution of resources and industries. The importance of distinguishing between profit and rent is greater for fisheries under strict management control, such as those with quotas and licenses, than those with more open access. It was found that profit is lower than rent in both countries. Policy implications are discussed. JEL Codes: Q22, Q28.
    Keywords business enterprises ; fish ; fisheries ; harvesting ; issues and policy ; leasing
    Language English
    Dates of publication 2017-07
    Size p. 311-328.
    Publishing place MRE Foundation, Inc.
    Document type Article
    ZDB-ID 2205767-5
    ISSN 2334-5985 ; 0738-1360
    ISSN (online) 2334-5985
    ISSN 0738-1360
    Database NAL-Catalogue (AGRICOLA)

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  8. Article ; Online: Links between profitability, nitrogen surplus, greenhouse gas emissions, and energy intensity on organic and conventional dairy farms

    Flåten, Ola / Koesling, Matthias / Hansen, Sissel / Veidal, Asbjorn

    2019  

    Abstract: This study examines the relationships between profitability, nitrogen (N) surplus, greenhouse gas emissions (GHG), and energy intensity and factors influencing these relationships in dairy farming. In-depth data from 10 conventional and 8 organic dairy ... ...

    Abstract This study examines the relationships between profitability, nitrogen (N) surplus, greenhouse gas emissions (GHG), and energy intensity and factors influencing these relationships in dairy farming. In-depth data from 10 conventional and 8 organic dairy farms in Western Norway were analyzed. Organic farms had lower N surplus per hectare (local, onfarm) and per unit output (global, cradle-to-farm-gate), and lower estimated GHG emissions and energy intensity per unit output, whereas labor input and farm profits did not differ. Higher profitability tended to be associated with improved performance of the environmental indicators examined. Intensification through increased use of concentrates tended to improve profit and reduce N surplus, GHG emissions, and energy intensity per unit output within each farming system while N surplus per hectare could be negatively affected. To ensure a balanced representation of the environmental consequences of both organic and conventional farming systems, our results give support to extensive examination of both areaand product-based environmental performance indicators.
    Keywords Text ; ddc:630 ; Profit -- organic farming -- environment -- life cycle assessment -- sustainability
    Subject code 571
    Language English
    Publishing country de
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article: Profitability effects and fishery subsidies

    Nguyen Ngoc Duy / Flåten, Ola

    Marine resource economics Vol. 31, No. 4 , p. 373-402

    average treatment effects based on propensity scores

    2016  Volume 31, Issue 4, Page(s) 373–402

    Author's details Nguyen Ngoc Duy, (Nha Trang University and University of Tromsø UiT–The Arctic University of Norway); Ola Flaaten, (University of Tromsø UiT-The Arctic University of Norway)
    Keywords Economic performance ; gillnet ; offshore fisheries ; profitability ; propensity score ; South China Sea ; subsidy ; treatment effect ; Vietnam
    Language Undetermined
    Publisher Univ. of Chicago Press
    Publishing place Chicago, Ill
    Document type Article
    ZDB-ID 879672-5 ; 2205767-5
    ISSN 2334-5985 ; 0738-1360
    ISSN (online) 2334-5985
    ISSN 0738-1360
    Database ECONomics Information System

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  10. Book ; Conference proceedings: Objectives and uncertainties in fisheries management with emphasis on three North Atlantic ecosystems

    Flaaten, Ola

    a selection of papers presented at an international symposium in Bergen, Norway, 3 - 5 June 1997

    (Fisheries research : Special issue ; 37.1998,1/3)

    1998  

    Title variant Fisheries management under uncertainty
    Institution Norges Forskningsråd
    Event/congress International Symposium (1997.06.03-05, Bergen)
    Author's details Guest ed.: O. Flaaten
    Series title Fisheries research : Special issue ; 37.1998,1/3
    Language English
    Size VIII, 311 S, Ill., graph.. Darst
    Publisher Elsevier
    Publishing place Amsterdam u.a.
    Document type Book ; Conference proceedings
    Note Symposium sponsored by the Research Council of Norway on behalf of its research programme Marine Resource Management
    Database Former special subject collection: coastal and deep sea fishing

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