Kristin Helen Roll

Rune Nygård; Kristin Helen Roll (2024) Cross-hedging wild salmon prices. I: Journal of Commodity Markets. ISSN 2405-8513. Volum 33. DOI: 10.1016/j.jcomm.2024.100390

Md. Akhtaruzzaman Khan; Md. Takibur Rahman; Kristin Helen Roll; Atle Guttormsen (2023) Towards Economic Sustainability or Unsustainability: The Case of Artisanal Fisheries in the Bay of Bengal. I: Marine Resource Economics. ISSN 0738-1360. Volum 38. s.181-201. DOI: 10.1086/723732

Kristin Helen Roll; Rune Nygård; Benjamin Fissel; James Hilger (2022) Are US Wild Salmon Products Affected by Farmed Salmon? A Cointegration Analysis. I: Marine Resource Economics. ISSN 0738-1360. Volum 37. s.283-303. DOI: 10.1086/720517

Hans-Martin Straume; Frank Asche; Atle Oglend; Eirik Bjorheim Abrahamsen; Anna M. Birkenbach; Johannes Langguth; Guillaume Lanquepin; Kristin Helen Roll (2022) Impacts of Covid-19 on Norwegian salmon exports: A firm-level analysis. I: Aquaculture. ISSN 0044-8486. Volum 561. DOI: 10.1016/j.aquaculture.2022.738678

Jon Reiersen; Kristin Helen Roll; Jesse Dyland Williams; Bengt Wilhelm Michael Carlsson (2022) Trust: A double-edged sword in combating the COVID-19 pandemic?. I: Frontiers in Communication. Online ISSN 2297-900X. Volum 7. DOI: 10.3389/fcomm.2022.822302

Ruth Beatriz Pincinato; Frank Asche; Kristin Helen Roll (2021) Escapees in salmon aquaculture: A multi-output approach. I: Land Economics. ISSN 0023-7639. Volum 97. s.425-435. DOI: 10.3368/le.97.2.425

Kristin Helen Roll; Frank Asche; Trond Bjørndal (2021) The effect of introducing fuel tax to the Norwegian fishery industry. I: Marine Policy. ISSN 0308-597X. Volum 135. DOI: 10.1016/j.marpol.2021.104829

Max Nielsen; Peder Andersen; Frank Asche; Hans Ellefsen; Cecilia Hammarlund; Ayoe Hoff; Dadi Mar Kristofersson; Rasmus Nielsen; Heri á Rógvi; Kristin Helen Roll; Hordur Sævaldsson; Jarno Virtanen; Staffan Waldo (2021) Can small-scale fisheries survive market-based management? Nordic evidence. I: Fish and Fisheries. ISSN 1467-2960. Volum 23. s.256-272. DOI: 10.1111/faf.12614

Akhtaruzzaman Khan; Kristin Helen Roll; Atle Guttormsen (2021) Profit efficiency of Pangas (Pangasius hypophthalmus) pond fish farming in Bangladesh – The effect of farm size. I: Aquaculture. ISSN 0044-8486. Volum 539. DOI: 10.1016/j.aquaculture.2021.736662

Ruth Beatriz Pincinato; Frank Asche; Andreea-Laura Cojocaru; Yaqin Liu; Kristin Helen Roll (2021) The impact of transferable fishing quotas on cost, price, and season length. I: Marine Resource Economics. ISSN 0738-1360. Volum 37. s.53-63. DOI: 10.1086/716728

Frank Asche; Andreea-Laura Cojocaru; Ruth Beatriz Pincinato; Kristin Helen Roll (2019) Production Risk in the Norwegian Fisheries. I: Environmental and Resource Economics. ISSN 0924-6460. Volum 75. s.137-149. DOI: 10.1007/s10640-019-00391-2

Kristin Helen Roll (2019) Moral hazard: the effect of insurance on risk and efficiency. I: Agricultural Economics. ISSN 0169-5150. Volum 50. s.367-375. DOI: 10.1111/agec.12490

Md Akhtarul Alam; Atle Guttormsen; Kristin Helen Roll (2019) Production Risk and Technical Efficiency of Tilapia Aquaculture in Bangladesh. I: Marine Resource Economics. ISSN 0738-1360. Volum 34. s.123-141. DOI: 10.1086/704129

Frank Asche; Kristin Helen Roll (2018) Economic inefficiency in a revenue setting: the Norwegian whitefish fishery. I: Applied Economics. ISSN 0003-6846. Volum 50. s.6112-6127. DOI: 10.1080/00036846.2018.1489502

Khan Akhtaruzzaman; Atle Guttorm Guttormsen; Kristin Helen Roll (2017) Production risk of pangas (Pangasius hypophthalmus) fish farming. I: Aquaculture Economics & Management. ISSN 1365-7305. Volum 22. s.192-208. DOI: 10.1080/13657305.2017.1284941

Kristin Helen Roll; Roy Endre Dahl (2017) Survival of the fittest: US oil productivity during business cycles. I: IAEE International Conference. ISSN 1559-792X.

Kristin Helen Roll; Petter Osmundsen (2016) Rig rates and decreasing productivity. I: IAEE International Conference. ISSN 1559-792X.

Subal Chandra Kumbhakar; Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2016) A General Error Revenue Function Model with Technical Inefficiency: An Application to Norwegian Fishing Trawler. I: Marcel-Christian Voia; Wiliam H. Greene; Robin C. Sickles; Michael Veall; Lynda Khalaf, Productivity and Efficiency Analysis. Springer. ISBN 9783319232287. s.51-70. DOI: 10.1007/978-3-319-23228-7_3

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2016) Profiting from Agglomeration? Evidence from the Salmon Aquaculture Industry. I: Regional studies. ISSN 0034-3404. Volum 50. s.1742-1754. DOI: 10.1080/00343404.2015.1055460

Sigbjørn Tveterås; Kristin Helen Roll (2014) Non-stop flights and tourist arrivals. I: Tourism Economics. ISSN 1354-8166. Volum 20. s.5-20. DOI: 10.5367/te.2013.0263

Atle Guttormsen; Kristin Helen Roll (2014) Production Risk in a Subsistence Agriculture. I: The Journal of Agricultural Education and Extension. ISSN 1389-224X. Volum 20. s.133-145. DOI: 10.1080/1389224X.2013.775953

Frank Asche; Kristin Helen Roll (2013) DETERMINANTS OF INEFFICIENCY IN NORWEGIAN SALMON AQUACULTURE. I: Aquaculture Economics & Management. ISSN 1365-7305. Volum 17. s.300-321. DOI: 10.1080/13657305.2013.812154

Frank Asche; Atle Guttormsen; Kristin Helen Roll; Ragnar Tveterås (2013) Produksjonsvekst, innovasjon og miljøutfordringer. Veksten i norsk lakseoppdrett. I: Samfunnsøkonomen. ISSN 1890-5250. s.82-91.

Petter Osmundsen; Kristin Helen Roll (2013) Concave Drilling Curve. I: IAEE International Conference. ISSN 1559-792X. DOI: 10.2139/ssrn.2229038

Frank Asche; Kristin Helen Roll; Hilde Ness Sandvold; Arne Sørvig; Dengjun Zhang (2013) Salmon aquaculture : larger companies and increased production. I: Aquaculture Economics & Management. ISSN 1365-7305. Volum 17. s.322-339. DOI: 10.1080/13657305.2013.812156

Kristin Helen Roll (2013) Measuring performance, development and growth when restricting flexibility. I: Journal of Productivity Analysis. ISSN 0895-562X. Volum 39. s.15-25. DOI: 10.1007/s11123-012-0265-3

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2012) FOU, innovasjon og produktivitetsvekst i havbruk : historisk utvikling og strategier for fremtiden. I: Magma forskning og viten. ISSN 1500-0788. Volum 15. s.23-31.

Petter Osmundsen; Kristin Helen Roll; Ragnar Tveterås (2012) Drilling speed—the relevance of experience. I: Energy Economics. ISSN 0140-9883. Volum 34. s.786-794. DOI: 10.1016/j.eneco.2011.11.016

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2012) Innovations and productive performance in salmon aquaculture. I: Jan Frick; Bjørge Timenes Laugen, Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management. Springer Science+Business Media B.V.. ISBN 9783642339790. s.620-627. DOI: 10.1080/13657309909380230

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2012) Innovations through the supply chain and increased production : the case of aquaculture. I: Jan Frick; Bjørge Timenes Laugen, Advances in Production Management Systems. Value Networks: Innovation, Technologies, and Management. Springer Science+Business Media B.V.. ISBN 9783642339790. s.611-619. DOI: 10.1007/978-3-642-33980-6_65

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2011) Salmon Aquaculture’s Innovation Process towards Biological Manufacturing: Past Performance and Future Challenges. I: Jan Frick, Advances in production management systems : value networks : innovatio n,technologies and management. Universitetet i Stavanger. ISBN 9788276444612.

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2011) Product innovation, process innovation and increased production: The case of aquaculture. I: Jan Frick, Advances in production management systems : value networks : innovatio n,technologies and management. Universitetet i Stavanger. ISBN 9788276444612.

Atle Guttormsen; Kristin Helen Roll (2011) Technical Efficiency in a Heterogeneous Fishery: The case of Norwegian Groundfish Fisheries. I: Marine Resource Economics. ISSN 0738-1360. Volum 26. s.293-307. DOI: 10.5950/0738-1360-26.4.293

Petter Osmundsen; Kristin Helen Roll; Ragnar Tveterås (2010) Exploration Drilling Productivity: What Types of Experience Matter. I: IAEE International Conference. ISSN 1559-792X.

Petter Osmundsen; Kristin Helen Roll; Ragnar Tveterås (2010) DRILLING SPEED – THE RELEVANCE OF EXPERIENCE1. I: IAEE International Conference. ISSN 1559-792X.

Petter Osmundsen; Kristin Helen Roll; Ragnar Tveterås (2010) Exploration drilling productivity at the Norwegian shelf. I: Journal of Petroleum Science and Engineering. ISSN 0920-4105. Volum 73. s.122-128. DOI: 10.1016/j.petrol.2010.05.015

Frank Asche; Kristin Helen Roll; Trine Elisabeth Trollvik (2009) New Aquaculture Species - The Whitefish Market. I: Aquaculture Economics & Management. ISSN 1365-7305. Volum 13. s.76-93. DOI: 10.1080/13657300902881641

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2009) Economic inefficiency and environmental impact: An application to aquaculture production. I: Journal of Environmental Economics and Management. ISSN 0095-0696. Volum 58. s.93-105. DOI: 10.1016/j.jeem.2008.10.003

Petter Osmundsen; Kristin Helen Roll; Ragnar Tveterås (2009) Drilling Productivity on the Norwegian Continental Shelf. I: IAEE International Conference. International Association for Energy Economics.

Trude Berg Andersen; Kristin Helen Roll; Sigbjørn Tveterås (2008) The Price Responsiveness of Salmon Supply in the Short and Long Run. I: Marine Resource Economics. ISSN 0738-1360. Volum 23. s.425-437.

Frank Asche; Kristin Helen Roll; Sigbjørn Tveterås (2008) Future trends in aquaculture : productivity growth and increased production. I: Nuria Marba; Marianne Holmer; Carlos Duarte; Ioannis Karakassis; Kenny Black, Aquaculture in the Ecosystem. Springer Science+Business Media B.V.. ISBN 9781402068096. s.271-292.

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2007) Productivity Growth in the Supply Chain ? Another Source of Competitiveness for Aquaculture. I: Marine Resource Economics. ISSN 0738-1360. Volum 22. s.329-334.

Frank Asche; Kristin Helen Roll; Sigbjørn Tveterås (2007) Markedsvekst : en viktig drivkraft for laksenæringens utvikling. I: Havbruk : akvakultur på norsk / Bernt Aarset og Grete Rusten (red.). Fagbokforlaget. s.51-67.

Kristin Helen Roll; Frank Asche (2019) Økt drivstoffpris – konsekvenser for den norske fiskeflåten?. Samfunns- og næringslivsforskning (SNF).

Kristin Helen Roll; Frank Asche (2019) Økonomiske Konsekvenser av Økt Drivstoffpris for utvalgte segmenter av Norsk Fiskeflåte. Samfunns- og næringslivsforskning (SNF). ISBN 9788249109951.

Max Nielsen; Ayoe Hoff; Rasmus Nielsen; Peder Andersen; Staffan Waldo; Cecilia Hammarlund; Dadi Kristofersson; Hordur Sævaldsson; Jarno Virtanen; Jari Setälä; Kristin Helen Roll; Frank Asche; Heri á Rógvi; Hans Ellefsen (2018) Structural Adjustment and Regulation of Nordic Fisheries until 2025. Nordic Council of Ministers 2018. ISBN 9789289358026.

Kristin Helen Roll; Torill Lønningdal; Birgitte Holmene; Stine Haslestad (2018) Effekter av aktivitetsskjermen "Touch & Play" for personer med demens diagnose. Fylkesmannen i Vestfold.

Frank Asche; Kristin Helen Roll (2014) Oppdrettsnæringen. I: Ola Flaaten; Anders Skonhoft, Naturressursenes økonomi. Gyldendal Akademisk. ISBN 9788205468337. s.344-377.

Kristin Helen Roll (2025) Enhancing Fuel Efficiency in Norwegian Fisheries: The Role of Policy. FAME statusmøte; 2025-05-08.

Kristin Helen Roll (2025) Enhancing Fuel Efficiency in Norwegian Fisheries: The Role of Policy. 17th AD-HOC FAO Fish Price Index Workshop; 2025-05-18 - 2025-05-19.

Kristin Helen Roll; Kenneth Løvold Rødseth; Timo Kuosmanen (2025) Decomposing intertemporal changes in energy efficiencies of fishing vessel operations in Norway. NAAFE 2025; 2025-03-24 - 2025-03-26.

Terje Christensen; Are Røysamb; Ulrike Bayr; Dieu Tien Bui; Gudrun Helgadottir; Nina S Johansen; Jörn Klein; Mieke C. Louwe; Randi Mork; Kyungbinn Noh; Stefanie Reinhardt; Trude Eid Robsahm; Kristin Helen Roll; Øyvind Steifetten; Per Strömberg; Gry Tengmark Østenstad; Veronika Zaikina (2025) Lysforurensning i Norge: Omfang, effekter og kunnskapshull. I: Skriftserien fra Universitetet i Sørøst-Norge. ISSN 2535-5325.

Kristin Helen Roll; Kenneth Løvold Rødseth; Timo Kuosmanen (2024) Fuel efficiency in Norwegian fisheries. IIFET; 2024-07-15 - 2024-07-19.

Rune Nygård; Frank Asche; Kristin Helen Roll; Bård Misund (2024) Investors perception of news concerning sustainability in salmon aquaculture. IIFET 2024 Penang Aquatic Food Systems in the Blue Economy; 2024-07-15 - 2024-07-19.

Kristin Helen Roll (2023) The effect of introducing fuel tax to the Norwegian fishery industry. FAME kick-off meeting; 2023-05-09.

Kristin Helen Roll; Ruth Beatriz Pincinato; Andreea-Laura Cojocaru; Frank Asche (2018) An evaluation of the Norwegian fisheries management system for the conventional coastal vessels. Samfunnsøkonomenes forskermøte 2018; 2018-01-03 - 2018-01-04.

Kristin Helen Roll; James Hilger (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.

Kristin Helen Roll (2017) Insurance and Moral Hazard in Salmon Aquaculture. FIBE; 2017-01-05 - 2017-01-06.

Roy Endre Dahl; Kristin Helen Roll (2017) Survival of the fittest: US oil productivity during business cycles. 15th IAEE European Conference 2017; 2017-09-03 - 2017-09-06.

Ann Beate Grasdalen; Kristin Helen Roll; Stine Haslestad (2017) Velferdsteknologi i praksis: Aktivitetstavlen «Touch & play».

Ann Beate Grasdalen; Kristin Helen Roll; Stine Haslestad (2017) Velferdsteknologi i praksis: Aktivitetstavlen «Touch & play».

Sigbjørn Tveterås; Helge Jørgensen; Ragner Tveterås; Kristin Helen Roll (2017) Staff Workload Mismatch and Service Productivity. IATE 2017; 2017-06-21.

Kristin Helen Roll; Frank Asche (2016) Insurance effect on productivity. HAVBRUK 2016; 2016-04-18 - 2016-04-20.

Kristin Helen Roll (2016) Insurance effect on productivity. Aquaculture America 2016; 2016-02-22 - 2016-02-26.

Kristin Helen Roll (2016) Insurance effect on productivity. IIFET; 2016-07-11 - 2016-07-15.

Sigbjørn Tveterås; Kristin Helen Roll; Ragnar Tveterås; Helge Jørgensen (2015) Workload Management and Staff Performance in the Hospitality Sector. 24th Symposium of Tourism and Hospitality Research; 2015-10-01 - 2015-10-03.

Frank Asche; Kristin Helen Roll; Ragnar Tveterås (2013) Innovation in aquaculture. I: Global Aquaculture Advocate. ISSN 1540-8906. Volum 16. s.64-67.

Frank Asche; Kristin Helen Roll (2011) Bærekraft – Vellykkede kystsamfunn i et rent miljø?. Hardangerkonferansen 2011; 2011-04-05.

Kristin Helen Roll; Frank Asche (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.

Kristin Helen Roll (2011) Lakseoppdrett i Norge – en suksesshistorie. Foredrag ved røktersamling; 2011-05-26.

Kristin Helen Roll; Atle Guttormsen (2011) Technical Efficiency in a Heterogeneous Fishery: The Case of Norwegian Groundfish Fisheries. Sixth Biennial NAAFE Forum; 2011-05-11 - 2011-05-13.

Kristin Helen Roll (2010) Vil fremtidens laks produseres på land?. s.2-2.

Kristin Helen Roll (2010) Laks og lukking. s.1-1.

Frank Asche; Kristin Helen Roll (2010) La lakesuksessen leve. s.1-1.

Kristin Helen Roll (2010) Økt verdiskapning og nye teknologier i oppdrettsnæringen. Dialogkonferanse; Teknologi Havbruk; 2010-11-19.

Kristin Helen Roll (2009) Er landbaserte anlegg fremtiden?. s.1-1.