Can anyone recommend a resource for very long term trade data? (1500-2014). I have looked and found bits and pieces here and there but haven't come across any single data-set covering all of it. I am thinking of mashing my own together but I really do expect it to have been done already.
Max Roser (2014) – ‘International Trade’. Our World in Data provides data on overall international trade growth during the requested time period, citing as their sources:
and many other sources...
Hope those help!