The ideal water contract for a heterogeneous population of users is a prioritized right that is fully vested and fully tradable. A set of tradable, prioritized rights contracts will span the same space as the Debreu contingent commodities. Therefore, they lead to a competitive equilibrium that...

In the past several years, the seed industry worldwide has been dramatically restructured, mostly through mergers and acquisitions. We argue that the restructuring has been technologically driven, and has also resulted in the transformation of several chemical conglomerates into life-sciences...

While biotechnology creates new opportunities for agriculture, developments are impeded by confusion in the system for awarding intellectual property rights (IPRs) over agro-biotechnological innovations. An intelligent redesign of the IPR system requires attention to how the definition of rights...