In a world of experience goods, two costly ex-post disciplinary actions can be used against malpractice of firms: consumer lawsuits and government investigation. We distinguish between government exectiveness in detecting 'bad behavior' vs. 'good behavior' of firms - both play a key role in the...

Recent antitrust regulations in several countries have granted exemptions for col- lusion aimed at achieving environmental goals. Firms can apply for exemptions if collusion helps to develop or to implement costly clean technology, particularly in sec- tors like renewable energy, where capital...

The premise of industrial symbiosis (IS) is that advancing a circular economy that reuses byproducts as inputs in production is valuable for the environment. We challenge this premise in a simple model. Ceteris paribus, IS is an environmentally friendly approach; however, implementing IS may...