The regulation of environmental externalities at the global level requires international agreements between sovereign states. Game theory provides an appropriate theoretical tool for analysis. However, game theory can result in a wide range of outcomes, and therefore it is important to discuss...

We examine the formation of hub-and-spoke and multilateral green technology international agreements. Green R&D provision produces two types of positive externalities, a global public good (i.e., reduction of carbon dioxide emissions) and spillovers in technology agreements. We utilize the...

This paper examines self-enforcing International Environmental Agreements (IEAs) in an open economy environment. Using an extended model of Barrett (1994), we show that: (i) equilibrium tariff is positive; (ii) the endogenously determined size and the effectiveness of an multilateral IEA are the...