Jacob Christensen

• Globalisation and trade costs: 1870 to the present | vox – Research-based policy analysis and commentary from leading economists
  Analysts suggest that rising oil prices will sharply reduce international trade. This column argues to the contrary, noting that transport costs constitute a limited share of trade costs. Moreover, evidence from the first wave of globalisation suggests that higher shipping costs are unlikely to significantly dampen international commerce � only protectionism would seriously threaten trade.
  (tags: economics trade globalisation)

I just had to steal this from XKCD: