Blar i Transportøkonomisk institutt på forfatter "Tvedt, Jostein"
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Carbon dioxide mitigation from public procurement with environmental conditions: The case of short-sea shipping in Norway
Torvanger, Asbjørn; Tvedt, Jostein; Hovi, Inger Beate (Journal article; Peer reviewed, 2023-02-24)We investigate the potential for greenhouse gas (GHG) emission cuts for the Norwegian short-sea (domestic) maritime segments of express boats, offshore support vessels, and aquaculture support vessels in comparison to ... -
Container shipping: A market equilibrium perspective on freight rates formation post-Covid-19
Tvedt, Jostein; Hovi, Inger Beate (Journal article; Peer reviewed, 2023-12-02)The unprecedented container shipping freight rate levels post-Covid-19 are studied in a stochastic dynamic partial equilibrium framework. The proposed container marked model is calibrated on annual aggregate data from the ... -
Floating offshore wind and the real options to relocate
Tvedt, Jostein (Journal article; Peer reviewed, 2022-11-17)Real options to relocate may improve the profitability of the floating offshore wind industry. Location and market switching can contribute to mitigating parts of the cost disadvantage of floating versus fixed-bottom ... -
Optimal Entry and Exit Decisions Under Uncertainty and the Impact of Mean Reversion
Tvedt, Jostein (Journal article; Peer reviewed, 2022-09-21)This paper derives an entrepreneur’s optimal switching between an idle and an active state under stochastic mean reverting output prices. The paper suggests a new categorisation of the effects of mean reversion. Mean ... -
Tax regimes, investment subsidies and the green transformation of the maritime industry
Tvedt, Jostein; Wergeland, Tor (Journal article; Peer reviewed, 2023-04-21)Maritime nations aim at establishing an environmentally sustainable shipping industry by 2050. We use insight from real options theory to target tax reforms that may facilitate the industry’s transformation to sustainability. ...