Tidsskriftspublikasjoner

• Welde, Morten; Tveter, Eivind; Odeck, James. (2019) The traffic effects of fixed links: Short and long-run forecast accuracy. Transportation Research Procedia. vol. 42.
• Welde, Morten. (2018) In search of success: Ex-post evaluation of a Norwegian motorway project. Case Studies on Transport Policy. vol. 6 (4).
• Welde, Morten; Volden, Gro Holst. (2018) Measuring efficiency and effectiveness through ex-post evaluation: Case studies of Norwegian transport projects. Research in Transportation Business and Management (RTBM). vol. 28.
• David, Meunier; Welde, Morten. (2017) Ex-post evaluations in Norway and France. Transportation Research Procedia. vol. 26.
• Elvik, Rune; Ulstein, Heidi; Wifstad, Kristina; Syrstad, Ragnhild S; Seeberg, Aase R; Gulbrandsen, Magnus U; Welde, Morten. (2017) An Empirical Bayes before-after evaluation of road safety effects of a new motorway in Norway. Accident Analysis and Prevention. vol. 108 (November).
• Love, Peter; Ahiaga-Dagbui, Dominic; Welde, Morten; Odeck, James. (2017) Light rail transit cost performance: Opportunities for future proofing. Transportation Research Part A: Policy and Practice. vol. 100.
• Odeck, James; Welde, Morten. (2017) The accuracy of toll road traffic forecasts : an econometric evaluation. Transportation Research Part A: Policy and Practice. vol. 101 (July).
• Tveter, Eivind; Welde, Morten; Odeck, James. (2017) Do fixed links affect settlement patterns : a synthetic control approach. Research in Transportation Economics. vol. 63.
• Welde, Morten; Odeck, James. (2017) Cost escalations in the front-end of projects – empirical evidence from Norwegian road projects. Transport reviews. vol. 37 (5).
• Andersen, Bjørn Sørskot; Samset, Knut Fredrik; Welde, Morten. (2016) Low estimates – high stakes: underestimation of costs at the front-end of projects. International Journal of Managing Projects in Business. vol. 9 (1).
• Eliasson, Jonas; Börjesson, Maria; Odeck, James; Welde, Morten. (2015) Does Benefit–Cost Efficiency Influence Transport Investment Decisions?. Journal of Transport Economics and Policy. vol. 49 (3).
• Odeck, James; Welde, Morten; Börjesson, Maria; Eliasson, Jonas. (2015) Brukes samfunnsøkonomiske analyser i prioritering av vegprosjekter? : en sammenlikning av Norge og Sverige. Samfunnsøkonomen. vol. 129 (3).
• Odeck, James; Welde, Morten; Volden, Gro Holst. (2015) The impact of external quality assurance of costs estimates on cost overruns: Empirical evidence from the norwegian road sector. European Journal of Transport and Infrastructure Research. vol. 15 (3).
• Börjesson, Maria; Eliasson, Jonas; Odeck, James; Welde, Morten. (2014) Spelar samhällsekonomisk lönsamhet någon roll för infrastrukturbeslut? En jämförelse mellan Sverige och Norge. Ekonomisk Debatt. vol. 8 (42).
• Welde, Morten. (2012) Are Smart Card Ticketing Systems Profitable? Evidence from the City of Trondheim. Journal of Public Transportation. vol. 15 (1).
• Welde, Morten. (2011) Demand and operating cost forecasting accuracy for toll road projects. Transport Policy. vol. 18 (5).
• Welde, Morten; Odeck, James. (2011) Do Planners Get it Right? The Accuracy of Travel Demand Forecasting in Norway. European Journal of Transport and Infrastructure Research. vol. 11 (1).
• Welde, Morten; Odeck, James. (2011) The efficiency of Norwegian road toll companies. Utilities Policy. vol. 19 (3).
• Meland, Solveig; Tretvik, Terje Kristian; Welde, Morten. (2010) The effects of removing the Trondheim toll cordon. Transport Policy. vol. 17 (6).
• Odeck, James; Welde, Morten. (2010) Economic evaluation of intelligent transportation systems strategies: the case of the Oslo toll cordon. IET Intelligent Transport Systems. vol. 4 (3).

Bøker

• Samset, Knut Fredrik; Welde, Morten. (2019) Mandater for konseptvalgutredninger. En gjennomgang av praksis. 2019. ISBN 978-82-93253-79-2. Concept rapport (58).
• Welde, Morten; Jørgensen, Magne; Larssen, Per Fridtjof; Halkjelsvik, Torleif. (2019) Estimering av kostnader i store statlige prosjekter: Hvor gode er estimatene og usikkerhetsanalysene i KS2-rapportene?. 2019. ISBN 978-82-93253-81-5. Concept rapport (59).
• Welde, Morten; Dahl, Roy Endre; Torp, Olav; Aass, Torbjørn. (2018) Kostnadsstyring i entreprisekontrakter. 2018. ISBN 978-82-93253-71-6. Concept rapport (Concept-rapport nr 55).
• Welde, Morten. (2017) Kostnadskontroll i store statlige investeringer underlagt ordningen med ekstern kvalitetssikring. 2017. ISBN 978-82-93253-59-4. Concept rapport (51).
• Welde, Morten; Bråthen, Svein; Rekdal, Jens Ludvig; Zhang, Wei. (2016) Finansiering av vegprosjekter med bompenger : behandling av og konsekvenser av bompenger i samfunnsøkonomiske analyser. 2016. ISBN 978-82-93253-55-6. Concept rapport (49).
• Odeck, James; Welde, Morten. (2015) Ressursbruk i transportsektoren – noen mulige forbedringer. Norges teknisk-naturvitenskapelige universitet. 2015. ISBN 978-82-93253-42-6. Concept rapport (44).
• Welde, Morten; Aksdal, Jostein; Grindvoll, Inger Lise Tyholt. (2015) Kommunale investeringsprosjekter. Prosjektmodeller og krav til beslutningsunderlag. 2015. ISBN 978-82-93253-43-3. Concept rapport (45).
• Samset, Knut Fredrik; Volden, Gro Holst; Welde, Morten; Bull-Berg, Heidi. (2014) Mot sin hensikt. Perverse insentiver - om offentlige ivesteringsprosjekter som ikke forplikter. 2014. ISBN 978-82-93253-33-4. Concept rapport (.).
• Welde, Morten; Samset, Knut Fredrik; Andersen, Bjørn Sørskot; Austeng, Kjell. (2014) Lav prising – store valg En studie av underestimering av kostnader i prosjekters tidligfase. 2014. ISBN 978-82-93253-31-0. Concept rapport (Concept-rapport nr. 39).
• Welde, Morten; Eliasson, Jonas; Odeck, James; Börjesson, Maria. (2013) Planprosesser,beregningsverktøy og bruk av nytte- kostnadsanalyser i vegsektor En sammenligning av praksis i Norge og Sverige. 2013. ISBN 978-82-93253-15-0. Concept rapport (33).

Rapport/avhandling

• Welde, Morten. (2011) Essays on Cost Estimations and their Uncertainties in Transportation Projects. 2011. Doktoravhandlinger ved NTNU (2011-163).