The effect of face masks on Covid-19 transmission is crucial for the health of populations. The effectiveness of face masks in reducing the transmission of Covid-19 varies across primary evidence. To perform a quantitative meta-analysis, we collected 258 estimates from 44 primary studies...

In a sign of their increasing frustration with global efforts to ensure that all people everywhere will have access to COVID-19 vaccines, several developing countries have asked other members of the World Trade Organization (WTO) to join them in a sweeping waiver of the intellectual property...

This paper investigates whether minimum wage increases impact worker health in the United States. We consider self-reported measures of general, mental, and physical health. We use data on lesser-skilled workers from the 1993 to 2014 Behavioral Risk Factor Surveillance Survey. Among men, we find...

A version of the Becker-Lancaster characteristics model featuring quality-quantity trade offs reveals a number of surprising market behaviors that can result from price regulations that are imposed on competitive markets for products that have adjustable non-price attributes. Quality need not...

In this study we examine the impact of a value-based insurance design (V-BID) program implemented between 2010 and 2013 at a large public employer in the state of Oregon. The program substantially increased cost-sharing, specifically copayments and coinsurance, for several healthcare services...

We examine how substance use disorder (SUD) treatment providers respond to private health insurance expansions induced by state equal coverage ('parity') laws for SUD treatment. We use data on the near universe of specialty SUD treatment providers in the United States between 1997 and 2010 in an...

This study investigates whether minimum wage increases in the United States affect an important non-market outcome: worker health. To study this question, we use data on lesser-skilled workers from the 1993-2014 Behavioral Risk Factor Surveillance Surveys coupled with differences-in-differences...

This study investigates whether minimum wage increases in the United States affect an important non-market outcome: worker health. To study this question, we use data on lesser-skilled workers from the 1993-2014 Behavioral Risk Factor Surveillance Surveys coupled with differences-in-differences...

We examine how substance use disorder (SUD) treatment providers respond to private health insurance expansions induced by state equal coverage ('parity') laws for SUD treatment. We use data on the near universe of specialty SUD treatment providers in the United States between 1997 and 2010 in an...

In this study we examine the impact of a value-based insurance design (V-BID) program implemented between 2010 and 2013 at a large public employer in the state of Oregon. The program substantially increased cost-sharing, specifically copayments and coinsurance, for several healthcare services...