Probably the biggest barrier to getting consumers involved in using their purchasing power to influence corporations to be more ethical is the absence of labels on end products. Clearly, products whose compoments are produced in multiple factories with varying levelsof quality cannot have one single ethical label. Marks and Spencer, though changing how it manages its supply chain has been able to come up with a label for some goods.
It will be interesting to see how unlabeled M&S goods do against labeled goods. Specifically, will consumers attribute ethical characteristics to M&S goods whether there is a label or not allowing some goods to free-ride on the reputation of a few produced ethically?