working papers of the global economic history network gehn no 20 06 melting markets rise and decline anglo norwegian ice trade 1850 1920 bodil bjerkvik blain b department london school economics february 2006 this paper was originally written submitted as a dissertation in partial fulfilment msc lse for more information about participants activities go to http www ac uk collections economichistory default htm houghton street wc2a 2ae tel 44 0 7955 7860 fax 7730 abstract by late 19 th century export natural from norway britain major fuelled growing british consumption although new technology eventually allowed production artificial retained strong market position until world war i investigates fall including reasons behind success comparative advantage proximity long