The standard evolutionary explanation for depression is that being emotionally depressed is adaptive. We argue that being depressed is not adaptive (indeed, quite the opposite), but that the threat of depression for bad outcomes and the promise of pleasure for good outcomes are adaptive because...

Unlike the narrative in Walrasian economic theory, the real world is not one of perfect foresight. This paper replaces this axiom with fundamental uncertainty, as established in original Keynesian theory. Drawing on contributions from Shackle, Okun, Alchian and Davidson, this paper explores how...

We investigate the welfare effects of third-degree price discrimination by a two-sided platform that enables interaction between buyers and sellers. Sellers are heterogenous with respect to their per-interaction benefit, and, under price discrimination, the platform can condition its fee on...