mit icat air cargo economics prof john paul clarke 16 886 transportation systems architecting february 24 2004 lecture outline industry types of and carriers largest demand for services drivers growth constraints on recent trends in traffic tariffs structure impacts recession 9 11 breakdown revenue cost categories express time definite small packages less than 100 lb heavyweight freight shipments greater mail transport participants all airlines integrated door to service non work with forwarders etc passenger combination can carry aircraft belly or combi also have dedicated top worldwide 2000 total int l domestic carrier ton miles millions 1 federal 7 466 2 lufthansa german 4 995 3 singapore 188 korean 873 5 france 553 6 japan lines
