Merkert, Rico and Cowie, Jonathan (2012) A quantitative cross-modal analysis of transportation firms’ transaction costs - are airlines any different? Journal of Air Transport Management : an International Journal of Research, Policy and Practice, 22 (1). 3 - 8. ISSN 0969-6997

Merkert, Rico and Cowie, Jonathan (2010) An analysis of transport firms' transaction costs - are airlines any different? In: The 2010 Conference of the Air Transport Research Society, 6-9 July 2010 , Porto. (Unpublished)