The cardiovascular risks for Vioxx found in tests after it was on the market were known for some time before a warning was added to the label following extensive negotiations between the agency and the drug sponsor. That delay led to calls for drug reform. This paper examines why pre-market...

The opioid crisis is responsible for hundreds of thousands of deaths and trillions of dollars in costs. The secondary market for opioids contributes substantially to those numbers. Nevertheless, the welfare consequences of closing secondary market distribution remain ambiguous. Although shutting...

We study the impact of an information intervention on opioid prescribing using a preregistered research design and comprehensive nationwide register data. The intervention involved a personal letter sent to all Finnish physicians who had prescribed oxycodone or fentanyl to a patient who had...

Do large language models (LLMs) - such as ChatGPT 3.5, ChatGPT 4.0, and Google's Gemini 1.0 Pro - simulate human behavior in the context of the Prisoner's Dilemma (PD) game with varying stake sizes? This paper investigates this question, examining how LLMs navigate scenarios where...

We study environments in which agents are randomly matched to play a Prisoner's Dilemma, and each player observes a few of the partner's past actions against previous opponents. We depart from the existing related literature by allowing a small fraction of the population to be commitment types....

Existing research supports two opposing mechanisms through which positive mood might affect cooperation. Some studies have suggested that positive mood produces more altruistic, open and helpful behavior, fostering cooperation. However, there is contrasting research supporting the idea that...

We study individual behavior of students and workers in an experiment where they repeatedly faced with the same cooperative task. The data show that clerical workers differ from college students in overall cooperation rates, strategies adopted, and use of punishment opportunities. Students...