We develop a theoretical framework to investigate the impact of patent policies and emis- sion taxes on green innovation that reduces the emission output ratio, and on the emission level. In the absence of green consumers, the introduction of patents results in a paradox whereby increasing...

Is green consumerism beneficial to the environment and the economy? To shed light on this question, we study the political economy of environmental regulations in a model with neutral and green consumers where the latter derive some warm glow from buying a good of higher environmental quality...