Luftfartens marginalkostnader: en delrapport inom Samkost 2

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While a large amount of studies has been focused on assessing the marginal costs of using roads or railroads, the corresponding knowledge about aviation has been lacking. Among other things, there has not been a coherent view in literature about central issues such as the definition of the concept of infrastructure and how to handle international flights.

Another shortfall is due to the fact that previous studies have focused on calculating marginal costs for only one flight. These examples have then represented the whole variation of aircraft types and destinations that exists within Sweden. In this study, a first step has been taken towards a clearer picture by calculating the average marginal costs for climate change, negative health effects and negative noise effects of Swedish aviation. The results regarding climate show that the costs of domestic flights are small in comparison to European flights, which in turn are small compared to flights with destinations outside the EU. The variation between these categories shows that single examples can give a skewed picture of the actual marginal costs. It also shows that the difference between the above mentioned categories should be taken into account when evaluating policy measures.

The calculations of the costs of emissions that affect human health are done in a less reliable way, and therefore the estimates in this part should be interpreted as rough approximations.

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