We still know very little about the incentives of police, often due to data constraints and the underlying policy environment. Using geocoded crime data and a novel source of within-city spatial and temporal variation in punishment severity, I am able to shed light on enforcement behavior. I...

In 1990, the Department of Fisheries and Oceans implemented the Individual Transferable Quotas (ITQ) system to achieve its management goals. The purpose of this study is to investigate the effectiveness of this system. It aims to determine whether and how the ITQ system creates an economically...

Tapping into the creativity of a crowd can provide a highly efficient and effective means of acquiring ideas, work, and content to solve problems. But crowdsourcing solutions can also come with risks, including the legal risks associated with intellectual property. Therefore, we raise and...

Open access or “capture” fisheries easily fall prey to overfishing and the exhaustion of stock. Fishing governance is an ongoing attempt to prevent such an outcome. Over time, fisheries regulation has generally moved from controls on inputs or effort to controls on output, such as catch...

More than 564,000 Americans have died from an opioid-related overdose since 1999. In this paper, I estimate the impacts of enforcement actions taken against doctors on the supply of prescription opioids, black-market prices, and health outcomes. Exploiting plausibly exogenous variation in the...