Economic growth in the "advanced economies" of the global North relies on a large net appropriation of resources and labor from the global South, obtained through price differentials in international trade. This is demonstrated by a study led by Jason Hickel, researcher at the Institute of Environmental Science and Technology at the Universitat Autònoma de Barcelona (ICTA-UAB), which uses environmental input-output data and footprint analysis to calculate the scale and value of resource drain from the global South over the period 1990-2015.