We identify factors related to instructors’ choice of assessment methods in undergraduate economics courses, using national survey data collected in 1995, 2000, and 2005. Respondents were asked to indicate which of 10 different assessment methods they used in four different types of courses...

A large and growing share of international trade is carried on airplanes. Air cargo is many times more expensive than maritime transport but arrives in destination markets much faster. We model firms' choice between exporting goods using fast but expensive air cargo and slow but cheap ocean...

We study the effects of Chinese import exposure in the US on self-reported health measures. We find that average mental, physical, and general health worsens in local labor markets exposed to greater import competition between 2000 and 2007. The effects are greatest for mental health. Moving a...

Occupational health is an important determinant of workers’ welfare. Our theory predicts that firms facing greater shutdown risk reallocate resources to improve productivity at the expense of safety. Therefore, safety worsens at firms facing greater shutdown risk due to import competition. We...