In this paper we consider Voluntary Agreements (VAs) as an information-sharing device. In a duopoly model firms compete a la Cournot and aim to reduce environmental damages because consumers have green preferences that partially internalise negative externalities. However both firms are...

Sustainability pledges are en vogue. In the business sector, but also in climate negotiations, pledges are used to signal actors' intention to act pro-environmentally. Laboratory experiments testify to the potential effectiveness of these public declarations. Previous work has examined under...