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Journal of Air Transport Management
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Item-typ:Veröffentlichung, Is economics good for aviation policy? Some problems in bridging the gap between theory and policyThis paper argues that airport economics is based on the concept of economics as the positive value free science of efficient allocation of scarce resources with given wants, ignoring the approach of economics as a moral science. It assesses critically the results on major policy issues. Although there is strong empirical evidence of natural monopoly of airports, no consensus has emerged. The effects of privatisation have been assessed in terms of cost efficiency, but not in terms of economic welfare and distribution. While airport economics has made theoretical progress, the policy recommendations on single versus dual till are less relevant than those from the older models. Airport expansion is assessed in many cases by economic impact studies instead of cost benefit analysis. Economists applying impact analysis, have contributed to an irrational policy discussion. The role for morals in the management of airports has been neglected, although there is evidence that incentives might backfire. The paper argues that airport economics based on economics as a moral science could improve airport economics, and make its policy recommendations more relevant.Wissenschaftlicher ArtikelBand:9663 - Some of the metrics are blocked by yourconsent settings
Item-typ:Veröffentlichung, Addressing the impact of airport pricing, investment and operations on greenhouse gas emissionsThe discussion of mitigating climate change has turned towards airports, which are a key element in the overall air transport industry. The paper analyses how measures at the airport level can help to directly or indirectly reduce emissions from the air transport sector. This topic is of relevance because, by now, external costs of the sector are internalised only partially. We distinguish between non-aviation and aviation emissions as well as those from airport access and egress. In addition, airports are regarded as a node by policymakers to reduce emissions. While a reduction of non-aviation emissions is straightforward and also attempted by many airports, the reduction in aviation emissions is mainly controlled by the airlines themselves and airports only have an indirect effect. Applying microeconomics, we analyse how operational factors, pricing and slot regimes can affect output and emissions. In the short run, with busy airports, differentiated charges might only lead to reduced emissions in the US, as the slot systems ration demand well. In the long run new capacity must be assessed by Cost Benefit Analysis with pricing of local and global environmental externalities. While full internalisation of external costs is, in principle, possible it has yet to be achieved. This means that there is a significant task to assess the emissions at airport with a view to enabling stronger policies to reduce emissions.Wissenschaftlicher ArtikelHeft:12247