A model is analysed in which a sovereign country has independent obligations to repay a creditor bank and to keep an environmental treaty. It is shown that the linkage of both obligations through a cross-default contract may reduce the sovereign risk attached to both the debt and the...

This paper provides a model of natural resource exploration, where the sole motivation to explore arises from a strategic incentive to preempt competitors. It is assumed that private ownership rights over a finite unexplored and commonly held resource stock can be established through a costly...