The most significant positive externality created by entrepreneurs, perhaps, is the beneficial impact that they have on governance. In fact, it is precisely the failure of governments that creates opportunities for social entrepreneurs, just as the failure of existing corporations creates opportunities for other types of entrepreneurs. Furthermore, the large corporations that Barro, Aneel Karnani, and others of like mind tend to celebrate for their job-creating capacity are often active if, at times, unwilling participants in societal processes that reinforce the centralization of power and poor governance.