Mongolia’s recent transition to a mineral exporting economy has much to tell us about the relationship between economic change and constitutional transformation. It reveals how the legal construction of markets invite a bevy of transnational economic and legal ‘actors, norms and processes’ which interact with the national constitution. Natural resource extraction, in particular, is charged with the potential to catalyse material constitutional change within the state, by virtue of its profound socio-environmental impacts, the generation of new conflicts over resource control within the state and the exposure of national institutions to transnational investment norms within the context of volatile global commodity markets.