Professor II i industriell økonomi
Nygård, Rune; Roll, Kristin Helen
(2024)
Cross-hedging wild salmon prices.Journal of Commodity Markets.
ISSN 2405-8513.
Volum 33.
Khan, Md. Akhtaruzzaman; Rahman, Md. Takibur; Roll, Kristin Helen; Guttormsen, Atle
(2023)
Towards Economic Sustainability or Unsustainability: The Case of Artisanal Fisheries in the Bay of Bengal.Marine Resource Economics.
ISSN 0738-1360.
Volum 38.
Hefte 2.
s.181-201.
DOI: 10.1086/723732
Reiersen, Jon; Roll, Kristin Helen; Williams, Jesse Dyland; Carlsson, Bengt Wilhelm Michael
(2022)
Trust: A double-edged sword in combating the COVID-19 pandemic?.Frontiers in Communication.
ISSN 2297-900X.
Volum 7.
Straume, Hans-Martin; Asche, Frank; Oglend, Atle; Abrahamsen, Eirik Bjorheim; Birkenbach, Anna M.; Langguth, Johannes; Lanquepin, Guillaume; Roll, Kristin Helen
(2022)
Impacts of Covid-19 on Norwegian salmon exports: A firm-level analysis.Aquaculture.
ISSN 0044-8486.
Volum 561.
Roll, Kristin Helen; Nygård, Rune; Fissel, Benjamin; Hilger, James
(2022)
Are US Wild Salmon Products Affected by Farmed Salmon? A Cointegration Analysis.Marine Resource Economics.
ISSN 0738-1360.
Volum 37.
Hefte 3.
s.283-303.
DOI: 10.1086/720517
Pincinato, Ruth Beatriz; Asche, Frank; Roll, Kristin Helen
(2021)
Escapees in salmon aquaculture: A multi-output approach.Land Economics.
ISSN 0023-7639.
Volum 97.
Hefte 2.
s.425-435.
DOI: 10.3368/le.97.2.425
Khan, Akhtaruzzaman; Roll, Kristin Helen; Guttormsen, Atle
(2021)
Profit efficiency of Pangas (Pangasius hypophthalmus) pond fish farming in Bangladesh – The effect of farm size.Aquaculture.
ISSN 0044-8486.
Volum 539.
Nielsen, Max; Andersen, Peder; Asche, Frank; Ellefsen, Hans; Hammarlund, Cecilia; Hoff, Ayoe; Kristofersson, Dadi Mar; Nielsen, Rasmus; Rógvi, Heri á; Roll, Kristin Helen; Sævaldsson, Hordur; Virtanen, Jarno; Waldo, Staffan
(2021)
Can small-scale fisheries survive market-based management? Nordic evidence.Fish and Fisheries.
ISSN 1467-2960.
Volum 23.
Hefte 1.
s.256-272.
DOI: 10.1111/faf.12614
Pincinato, Ruth Beatriz; Asche, Frank; Cojocaru, Andreea-Laura; Liu, Yaqin; Roll, Kristin Helen
(2021)
The impact of transferable fishing quotas on cost, price, and season length.Marine Resource Economics.
ISSN 0738-1360.
Volum 37.
Hefte 1.
s.53-63.
DOI: 10.1086/716728
Roll, Kristin Helen; Asche, Frank; Bjørndal, Trond
(2021)
The effect of introducing fuel tax to the Norwegian fishery industry.Marine Policy.
ISSN 0308-597X.
Volum 135.
Roll, Kristin Helen
(2019)
Moral hazard: the effect of insurance on risk and efficiency.Agricultural Economics.
ISSN 0169-5150.
Volum 50.
Hefte 3.
s.367-375.
DOI: 10.1111/agec.12490
Alam, Md Akhtarul; Guttormsen, Atle; Roll, Kristin Helen
(2019)
Production Risk and Technical Efficiency of Tilapia Aquaculture in Bangladesh.Marine Resource Economics.
ISSN 0738-1360.
Volum 34.
Hefte 2.
s.123-141.
DOI: 10.1086/704129
Asche, Frank; Cojocaru, Andreea-Laura; Pincinato, Ruth Beatriz; Roll, Kristin Helen
(2019)
Production Risk in the Norwegian Fisheries.Environmental and Resource Economics.
ISSN 0924-6460.
Volum 75.
Hefte 1.
s.137-149.
Asche, Frank; Roll, Kristin Helen
(2018)
Economic inefficiency in a revenue setting: the Norwegian whitefish fishery.Applied Economics.
ISSN 0003-6846.
Volum 50.
Hefte 56.
s.6112-6127.
Roll, Kristin Helen; Dahl, Roy Endre
(2017)
Survival of the fittest: US oil productivity during business cycles.
IAEE International Conference.
ISSN 1559-792X.
Akhtaruzzaman, Khan; Guttormsen, Atle Guttorm; Roll, Kristin Helen
(2017)
Production risk of pangas (Pangasius hypophthalmus) fish farming.Aquaculture Economics & Management.
ISSN 1365-7305.
Volum 22.
Hefte 2.
s.192-208.
Kumbhakar, Subal Chandra; Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2016)
A General Error Revenue Function Model with Technical Inefficiency: An Application to Norwegian Fishing Trawler. I: Productivity and Efficiency Analysis.Springer.
ISBN 978-3-319-23228-7.
s.51-70.
Roll, Kristin Helen; Osmundsen, Petter
(2016)
Rig rates and decreasing productivity.
IAEE International Conference.
ISSN 1559-792X.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2016)
Profiting from Agglomeration? Evidence from the Salmon Aquaculture Industry.Regional studies.
ISSN 0034-3404.
Volum 50.
Hefte 10.
s.1742-1754.
Guttormsen, Atle; Roll, Kristin Helen
(2014)
Production Risk in a Subsistence Agriculture.The Journal of Agricultural Education and Extension.
ISSN 1389-224X.
Volum 20.
Hefte 1.
s.133-145.
Tveterås, Sigbjørn; Roll, Kristin Helen
(2014)
Non-stop flights and tourist arrivals.Tourism Economics.
ISSN 1354-8166.
Volum 20.
Hefte 1.
s.5-20.
DOI: 10.5367/te.2013.0263
Roll, Kristin Helen
(2013)
Measuring performance, development and growth when restricting flexibility.Journal of Productivity Analysis.
ISSN 0895-562X.
Volum 39.
Hefte 1.
s.15-25.
Asche, Frank; Roll, Kristin Helen
(2013)
DETERMINANTS OF INEFFICIENCY IN NORWEGIAN SALMON AQUACULTURE.Aquaculture Economics & Management.
ISSN 1365-7305.
Volum 17.
Hefte 3.
s.300-321.
Asche, Frank; Roll, Kristin Helen; Sandvold, Hilde Ness; Sørvig, Arne; Zhang, Dengjun
(2013)
Salmon aquaculture : larger companies and increased production.Aquaculture Economics & Management.
ISSN 1365-7305.
Volum 17.
Hefte 3.
s.322-339.
Asche, Frank; Guttormsen, Atle; Roll, Kristin Helen; Tveterås, Ragnar
(2013)
Produksjonsvekst, innovasjon og miljøutfordringer. Veksten i norsk lakseoppdrett.
Samfunnsøkonomen.
ISSN 1890-5250.
Hefte 4.
s.82-91.
Osmundsen, Petter; Roll, Kristin Helen
(2013)
Concave Drilling Curve.IAEE International Conference.
ISSN 1559-792X.
DOI: 10.2139/ssrn.2229038
Osmundsen, Petter; Roll, Kristin Helen; Tveterås, Ragnar
(2012)
Drilling speed—the relevance of experience.Energy Economics.
ISSN 0140-9883.
Volum 34.
s.786-794.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2012)
FOU, innovasjon og produktivitetsvekst i havbruk : historisk utvikling og strategier for fremtiden.
Magma forskning og viten.
ISSN 1500-0788.
Volum 15.
Hefte 1.
s.23-31.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2012)
Innovations through the supply chain and increased production : the case of aquaculture. I: Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management.Springer Science+Business Media B.V..
ISBN 978-3-642-33979-0.
s.611-619.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2012)
Innovations and productive performance in salmon aquaculture. I: Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management.Springer Science+Business Media B.V..
ISBN 978-3-642-33979-0.
s.620-627.
Guttormsen, Atle; Roll, Kristin Helen
(2011)
Technical Efficiency in a Heterogeneous Fishery: The case of Norwegian Groundfish Fisheries.Marine Resource Economics.
ISSN 0738-1360.
Volum 26.
Hefte 4.
s.293-307.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2011)
Product innovation, process innovation and increased production: The case of aquaculture. I: Advances in production management systems : value networks : innovatio n,technologies and management.
Universitetet i Stavanger.
ISBN 978-82-7644-461-2.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2011)
Salmon Aquaculture’s Innovation Process towards Biological Manufacturing: Past Performance and Future Challenges. I: Advances in production management systems : value networks : innovatio n,technologies and management.
Universitetet i Stavanger.
ISBN 978-82-7644-461-2.
Osmundsen, Petter; Roll, Kristin Helen; Tveterås, Ragnar
(2010)
Exploration drilling productivity at the Norwegian shelf.Journal of Petroleum Science and Engineering.
ISSN 0920-4105.
Volum 73.
Hefte 1-2.
s.122-128.
Osmundsen, Petter; Roll, Kristin Helen; Tveterås, Ragnar
(2010)
DRILLING SPEED – THE RELEVANCE OF EXPERIENCE1.
IAEE International Conference.
ISSN 1559-792X.
Osmundsen, Petter; Roll, Kristin Helen; Tveterås, Ragnar
(2010)
Exploration Drilling Productivity: What Types of Experience Matter.
IAEE International Conference.
ISSN 1559-792X.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2009)
Economic inefficiency and environmental impact: An application to aquaculture production.Journal of Environmental Economics and Management.
ISSN 0095-0696.
Volum 58.
Hefte 1.
s.93-105.
Osmundsen, Petter; Roll, Kristin Helen; Tveterås, Ragnar
(2009)
Drilling Productivity on the Norwegian Continental Shelf. I: IAEE International Conference.
Asche, Frank; Roll, Kristin Helen; Trollvik, Trine Elisabeth
(2009)
New Aquaculture Species - The Whitefish Market.Aquaculture Economics & Management.
ISSN 1365-7305.
Volum 13.
Hefte 2.
s.76-93.
Andersen, Trude Berg; Roll, Kristin Helen; Tveterås, Sigbjørn
(2008)
The Price Responsiveness of Salmon Supply in the Short and Long Run.
Marine Resource Economics.
ISSN 0738-1360.
Volum 23.
Hefte 4.
s.425-437.
Asche, Frank; Roll, Kristin Helen; Tveterås, Sigbjørn
(2008)
Future trends in aquaculture : productivity growth and increased production. I: Aquaculture in the Ecosystem.
Springer Science+Business Media B.V..
ISBN 978-1-4020-6809-6.
s.271-292.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2007)
Productivity Growth in the Supply Chain ? Another Source of Competitiveness for Aquaculture.
Marine Resource Economics.
ISSN 0738-1360.
Volum 22.
Hefte 3.
s.329-334.
Asche, Frank; Roll, Kristin Helen; Tveterås, Sigbjørn
(2007)
Markedsvekst : en viktig drivkraft for laksenæringens utvikling. I: Havbruk : akvakultur på norsk / Bernt Aarset og Grete Rusten (red.).
Fagbokforlaget.
s.51-67.
Roll, Kristin Helen; Asche, Frank
(2019)
Økonomiske Konsekvenser av Økt Drivstoffpris for utvalgte segmenter av Norsk Fiskeflåte.
ISBN 978-82-491-0995-1.
Volum 2019.
Hefte 1.
Roll, Kristin Helen; Asche, Frank
(2019)
Økt drivstoffpris – konsekvenser for den norske fiskeflåten?.
Volum 2019.
Hefte 1.
Roll, Kristin Helen; Lønningdal, Torill; Holmene, Birgitte; Haslestad, Stine
(2018)
Effekter av aktivitetsskjermen "Touch & Play" for personer med demens diagnose.
Nielsen, Max; Hoff, Ayoe; Nielsen, Rasmus; Andersen, Peder; Waldo, Staffan; Hammarlund, Cecilia; Kristofersson, Dadi; Sævaldsson, Hordur; Virtanen, Jarno; Setälä, Jari; Roll, Kristin Helen; Asche, Frank; Rógvi, Heri á; Ellefsen, Hans
(2018)
Structural Adjustment and Regulation of Nordic Fisheries until 2025.
ISBN 978-92-893-5802-6.
Asche, Frank; Roll, Kristin Helen
(2014)
Oppdrettsnæringen. I: Naturressursenes økonomi.
Gyldendal Akademisk.
ISBN 9788205468337.
s.344-377.
Roll, Kristin Helen; Pincinato, Ruth Beatriz; Cojocaru, Andreea-Laura; Asche, Frank
(2018)
An evaluation of the Norwegian fisheries management system for the conventional coastal vessels.
Samfunnsøkonomenes forskermøte 2018;
2018-01-03 - 2018-01-04.
Roll, Kristin Helen; Hilger, James
(2018)
The Impact of Regulation: A case study of the Leatherback Turtle Conservation Area Closure and the California Drift Gill Net fishery.
IIFET 2018;
2018-07-16 - 2018-07-20.
Tveterås, Sigbjørn; Jørgensen, Helge; Tveterås, Ragner; Roll, Kristin Helen
(2017)
Staff Workload Mismatch and Service Productivity.
IATE 2017;
2017-06-21 - .
Dahl, Roy Endre; Roll, Kristin Helen
(2017)
Survival of the fittest: US oil productivity during business cycles.
15th IAEE European Conference 2017;
2017-09-03 - 2017-09-06.
Grasdalen, Ann Beate; Roll, Kristin Helen; Haslestad, Stine
(2017)
Velferdsteknologi i praksis: Aktivitetstavlen «Touch & play».
Grasdalen, Ann Beate; Roll, Kristin Helen; Haslestad, Stine
(2017)
Velferdsteknologi i praksis: Aktivitetstavlen «Touch & play».
Roll, Kristin Helen
(2017)
Insurance and Moral Hazard in Salmon Aquaculture.
FIBE;
2017-01-05 - 2017-01-06.
Roll, Kristin Helen
(2016)
Insurance effect on productivity.
Aquaculture America 2016;
2016-02-22 - 2016-02-26.
Roll, Kristin Helen; Asche, Frank
(2016)
Insurance effect on productivity.
HAVBRUK 2016;
2016-04-18 - 2016-04-20.
Roll, Kristin Helen
(2016)
Insurance effect on productivity.
IIFET;
2016-07-11 - 2016-07-15.
Tveterås, Sigbjørn; Roll, Kristin Helen; Tveterås, Ragnar; Jørgensen, Helge
(2015)
Workload Management and Staff Performance in the Hospitality Sector.
24th Symposium of Tourism and Hospitality Research;
2015-10-01 - 2015-10-03.
Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar
(2013)
Innovation in aquaculture.
Global Aquaculture Advocate.
ISSN 1540-8906.
Volum 16.
Hefte 2.
s.64-67.
Asche, Frank; Roll, Kristin Helen
(2011)
Bærekraft – Vellykkede kystsamfunn i et rent miljø?.
Hardangerkonferansen 2011;
2011-04-05 - .
Roll, Kristin Helen
(2011)
Lakseoppdrett i Norge – en suksesshistorie.
Foredrag ved røktersamling;
2011-05-26.
Roll, Kristin Helen; Guttormsen, Atle
(2011)
Technical Efficiency in a Heterogeneous Fishery: The Case of Norwegian Groundfish Fisheries.
Sixth Biennial NAAFE Forum;
2011-05-11 - 2011-05-13.
Roll, Kristin Helen; Asche, Frank
(2011)
Decomposing Economic Inefficiency in a Revenue setting: The Norwegian Ground Fishery.
XII European Workshop on Efficiency and Productivity Analysis;
2011-06-21 - 2011-06-24.
Roll, Kristin Helen
(2010)
Vil fremtidens laks produseres på land?.
Norsk Fiskeoppdrett.
ISSN 0332-7132.
Asche, Frank; Roll, Kristin Helen
(2010)
La lakesuksessen leve.
Dagens næringsliv.
ISSN 0803-9372.
Roll, Kristin Helen
(2010)
Laks og lukking.
Dagens næringsliv.
ISSN 0803-9372.
Roll, Kristin Helen
(2010)
Økt verdiskapning og nye teknologier i oppdrettsnæringen.
Dialogkonferanse; Teknologi Havbruk;
2010-11-19.
Roll, Kristin Helen
(2009)
Er landbaserte anlegg fremtiden?.
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