Publications
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Public service obligations for air transport in the United States and Europe: Connectivity effects and value for money Hasselt University
Public service obligations (PSOs) are used by governments in many countries, including the United States and 11 countries in Europe, to mandate a minimum level of commercial air transportation service, especially for small or rural communities. This paper analyzes PSOs in these 12 countries for the year 2010 using the recently proposed Global Connectivity Index to measure direct and indirect market access and a novel subsidy database covering ...
A dynamic approach to measure the impact of freight transport on air quality in cities Vrije Universiteit Brussel
Air pollution is recently considered as largest treat to human health. Freight transport vehicles are responsible for a large share of the air pollution. The impact of pollutants is heavily depending on the number of people present in the proximity of the emission source. This impact is generally calculated using the impact-pathway-approach. Yet, the geo-temporal link between the emission source and the number of people in proximity of that ...
Rerouting urban construction transport flows to avoid air pollution hotspots Vrije Universiteit Brussel
Currently, over 96% of the urban population is exposed to exceeding air pollution concentrations. Freight transport daily engenders €61,604 of air pollution health costs in the Brussels-Capital Region (BCR), of which 60% is incurred by vulnerable population segments. The construction sector is responsible for 26.40% of truck traffic in the BCR. This paper examines the exposure effects when off-site construction logistics flows are redirected ...
Dynamics of air transport networks : a review from a complex systems perspective Ghent University
Air transport systems are highly dynamic at temporal scales from minutes to years. This dynamic behavior not only characterizes the evolution of the system but also affect the system's functioning. Understanding the evolutionary mechanisms is thus fundamental in order to better design optimal air transport networks that benefits companies, passengers and the environment. In this review, we briefly present and discuss the state-of-the-art on ...
Road and intermodal transport performance: the impact of operational costs and air pollution external costs Hasselt University
The transportation of goods is essential for the economy, but it also contributes to air pollution which, in turn, affects human health. These negative impacts generate additional costs for society that are not necessarily taken into account in public transportation policies and in private transportation decisions of companies and individuals. This leads to inefficient transportation systems where the social equilibrium is not reached. ...
Modeling the evolutionary mechanism of China's domestic air transport network Ghent University University of Antwerp
With the rapid expansion of China's domestic air transport network (CATN), it is fundamental to model which factors and mechanisms impact this development. This paper investigates how the combined endogenous and exogenous factors influencing the evolution of CATN based on longitudinal data by utilizing a more all-encompassing methodology of stochastic actor based-modeling (SABM). Endogenous variables include a density effect, a betweenness ...
Fare effects and dynamics of network structure in the air transport industry : empirical studies from the United States and Europe Ghent University
This dissertation investigates fare effects and dynamics of network structure in the air transport industry through case studies from the United States and Europe. Econometric models are established to examine factors influencing the pricing behavior of full-service carriers in hub-to-hub networks in the United States and Europe, taking into account route and market structure as potential explanatory factors. A stochastic actor-based modeling ...
The potential of political-geographical interpretations of massive air transport developments in Gulf cities Vrije Universiteit Brussel
Declaring that air transport has been 'booming business' in the Gulf would be somewhat of an understatement. The most striking example, of course, is Dubai. As of October 2012, Dubai International Airport is the 10th busiest airport in the world by passenger traffic, and the 6th busiest airport in the world by cargo traffic (http://www.aci.aero, accessed October 18th, 2012). Meanwhile, Dubai's flag carrier Emirates now operates more than 2500 ...