The expansion of marine protected areas (MPAs) is a core focus of global conservation efforts, with the "30x30" initiative to protect 30% of the ocean by 2030 serving as a prominent example of this trend. This paper examines a series of proposed MPA network expansions of various sizes and...

The global demand for protein from seafood – whether wild, caught or cultured, whether for direct consumption or as feed for livestock – is high and projected to continue growing. However, the ocean’s ability to meet this demand is uncertain due to either mismanagement or, in some cases,...

We study how the strength of property rights to individual extractive firms affects a regulator's choice over exploitation rates for a natural resource. The regulator is modeled as an intermediary between current and future resource harvesters, rather than between producers and consumers, as in...