We explore the issue of minorities' survival in the presence of positive network externalities. We rely on a simple example of thematic clubs to illustrate why and how such survival problems might appear, first considering the case of simple-network effects (fully anonymous externalities) and...

When modeling the effects of innovation on the marginal abatement cost (MAC) curve, many studies in environmental economics have posited, implicitly or explicitly, a uniform downward shift. The purpose of this paper is to thoroughly investigate this claim in a simple theoretical framework by...