Natural and industrial disasters are major risks with the common specificity of a strong geographic dimension. Their main difference is that compensation for natural disasters relies on solidarity, whereas industrial risks imply the liability of the industrialist. This thesis brings parts of...

Commodity prices rise observed during the 2000s being concomitant with the increasing presence of financial agents has sparked the researchers’ interest. This price increase occurred while commodity markets have been transformed by new financial instruments or larger investments in these...