Alternative currencies are means of payment that circulate alongside—as an alternative or complement to—official currencies. While these currencies have existed for a long time, both society and academia have shown a renewed interest in their potential to decentralize the governance of monetary affairs and to bring people and organizations together in more ethical or sustainable ways. This article is a review of the ethical and philosophical implications of these alternative monetary projects. We first discuss various classifications of these currencies before analyzing the ethical challenges linked to the way they tackle social and environmental issues. We also examine the incentive-based and coercive mechanisms used by these currencies from an ethical perspective and debate the promises and perils of monetary decentralization and democracy. We conclude by identifying an agenda for future research.

Microfinance is often assumed to be an ethically progressive industry, but in recent years it has been the target of much ethical criticism. Microfinance institutions have been accused of using exploitative lending techniques and charging usurious interest rates; and critics even question the ability of microfinance to alleviate poverty. This article reviews recent research on the microfinance sector that addresses these ethical issues. We show how this research is relevant to a number of theoretical issues, such as how to define poverty, how to understand exploitation, and how to balance financial and social goals in commercial organizations. We conclude by identifying a critical agenda for future research.