Skip to main content
International Environmental Agreements under Endogenous Uncertainty
Journal of Public Economic Theory (2015)
  • Bruno Nkuiya, University of Alberta
  • Walid Marrouch, Lebanese American University
  • Eric Bahel, Virginia Tech
This paper explores the implications of the possibility of a shift in environmental damages on the participation in environmental treaties. Using a two-period model where the probability of a regime shift increases in the first-period pollution stock, we examine the issue of coalition formation under both fixed and dynamic membership. Our analysis suggests that endogenous uncertainty may increase participation. We find that full cooperation may be sustained, but only in the presence of endogenous uncertainty. Interestingly, when the shift in the environmental damage is large enough, the model provides a way to solve the “puzzle of small coalitions” found in the literature related to international environmental agreements. We also find that in period 1 (period 2) endogenous uncertainty leads to a lower (higher) pollution stock under dynamic membership as compared to the fixed membership case.
  • International Environmental Agreements; Endogenous Uncertainty; Emissions; Shift in Damage.
Publication Date
Fall September 16, 2015
DOI: 10.1111/jpet.12108
Citation Information
Bruno Nkuiya, Walid Marrouch and Eric Bahel. "International Environmental Agreements under Endogenous Uncertainty" Journal of Public Economic Theory Vol. 17 Iss. 5 (2015)
Available at: