Growing number of vehicles brings sever negative external effects to cities such as traffic congestion and tail gas pollution, especially to big cities. However it is the tail gas pollution which is a significant factor for the formation of haze. Gradually serious congestion and haze problems...

When there is significant overlap in potential partner airlines' route networks, policymakers have expressed concern that an alliance between such airlines may facilitate collusion on price and/or service levels in the partners' overlapping markets. The contribution of our paper is to put...

Analysts of air travel markets, which include antitrust authorities, are interested in understanding the extent to which the presence of intermediate stop(s) products influences the pricing of nonstop products. This paper uses a structural econometric model to investigate the potential pricing...

Excess weight is a problem affecting over half of the British population, with some categories being more at risk than others, in particular in lower socio-economic groups. In that respect, differentiated dietary behaviours are known to contribute to inequalities in health outcomes. Segmentation...