ECONOMICS can seem a rather bloodless science. In its simplest models, prices elegantly balance supply and demand, magically directing individuals’ pursuit of their own self-interest towards the greater good. In the real world, humans often undermine the greater good by grabbing whatever goodies their position allows them. The best economic theorising grapples with this reality, and brings us closer to understanding the role of power relationships in human interactions. This year’s Nobel prize for economic sciences—awarded to Oliver Hart and Bengt Holmström—celebrates their study of economic power, and the tricky business of harnessing it to useful economic ends.
Behind the dull-sounding “contract theory” for which the two were recognised lies an important truth: that when people want to work together, individual self-interest must be kept under control. For a chef and a restaurant-owner to work together productively, for example, the owner must promise not to use the power he has to change the locks in order to deny the chef his share of future profit. Mr Hart, a British economist working at Harvard University, tackled power dynamics while…Continue reading