@TechReport{economics.dp.2012-54,
 author = {Schürenberg-Frosch, Hannah },
 title = {Determinants of Transport Costs: Are They Uniform across Countries?},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2012},
 number = {2012-54},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2012-54}
}