From Pope Benedict XVI’s encyclical Caritas in Veritate (2009):
Global interconnectedness has led to the emergence of a new political power, that of consumers and their associations. This is a phenomenon that needs to be further explored, as it contains positive elements to be encouraged as well as excesses to be avoided. It is good for people to realize that purchasing is always a moral — and not simply economic — act. Hence the consumer has a specific social responsibility, which goes hand-in-hand with the social responsibility of the enterprise. Consumers should be continually educated145 regarding their daily role, which can be exercised with respect for moral principles without diminishing the intrinsic economic rationality of the act of purchasing. In the retail industry, particularly at times like the present when purchasing power has diminished and people must live more frugally, it is necessary to explore other paths: for example, forms of cooperative purchasing like the consumer cooperatives that have been in operation since the nineteenth century, partly through the initiative of Catholics. In addition, it can be helpful to promote new ways of marketing products from deprived areas of the world, so as to guarantee their producers a decent return. However, certain conditions need to be met: the market should be genuinely transparent; the producers, as well as increasing their profit margins, should also receive improved formation in professional skills and technology; and finally, trade of this kind must not become hostage to partisan ideologies. A more incisive role for consumers, as long as they themselves are not manipulated by associations that do not truly represent them, is a desirable element for building economic democracy.
145 Cf. John Paul II, Encyclical Letter Centesimus Annus, 36: Acta Apostolicæ Sedis 83 (1991), 838-840.
— Caritas in Veritate 66