In this article I survey the theoretical literature on environmental policy in the presence of imperfect competition, ranging from early contributions in the 1960s to the present. I cover the following market structures when polluting firms have market power in the output market: monopoly,...

Introduction: Examining the concept of the circular economy / Terry Tudor and Cleber JC. Dutra -- SECTION 1. The need for and challenges surrounding circularity -- SECTION 2. Measuring and implementing circularity -- SECTION 3. Policy and legislative considerations -- SECTION 4. Sharing...