We investigate empirically how sellers react to changes in the population of their consumers, identifying the effects of demand composition and demand size with limited information on costs. We show how pharmacists in Italy selectively increase the price of some products when they observe in...

This paper examines the evolution of drug use in Colombia over the past years. Our analysis, based on surveys from the Dirección Nacional de Estupefacientes, shows that drug consumption grew substantially between 1996 and 2013. The growth occurred for both genders, all ages, socioeconomic...

The COVID-19 pandemic has drawn attention to the regulatory framework that governs the US healthcare system, and in particular to regulations affecting healthcare workers. This paper focuses on one type of occupational regulation imposed in the pharmacy setting, known as ratio requirements. Many...