Social scientists are often concerned with the dynamics of struggles over resources and with the effect of these struggles on the process of development and change. This continuous dynamic game is intended to add to our knowledge of the dynamics of struggles over property.

State A may control an environmental resource that has value for other actors in the international system. The objective of this article is to compare different contractual arrangements between State A and other agents for preservation of this resource. I concentrate on direct purchase schemes...

The fundamental problem for any scheme of water management that tries to maximise welfare across a river system is that of determining the optimal allocation at every point. The problem cannot, in general, be avoided by trading water rights because the price will not account for the effect of...

Social choice is studied by employing a group invariance approach in a way that appears not to have been previously been exploited. This simplifies the problem and the proofs and provides some new insights into the foundations of impossibility results.

This paper attempts to develop some theoretical insights into the dynamics of marketing campaigns. It studies a model where two firms are competing in an advertising campaign with sales at a specified termination date and asks how the trajectory of resource expenditures would change over time....

The fundamental problem for any scheme of water management that tries to maximise welfare across a river system is that of determining the optimal allocation at every point. The problem cannot, in general, be avoided by trading water rights because the price will not account for the effect of...