We measure the importance of increasing returns to scale and trade in medical services. Using Medicare claims data, we document that "imported" medical care -- services produced by a medical provider in a different region -- constitute about one-fifth of US healthcare consumption. Larger regions...

We measure the importance of increasing returns to scale and trade in medical services. Using Medicare claims data, we document that “imported” medical care—services produced by a medical provider in a different region—constitute about one-fifth of US healthcare consumption. Larger...

This paper employs an eclectic and extended gravity model of trade to assess the most important determinants of trade in services of the US. The dataset covers the US and its 33 trading partners over the period 1999 to 2013. The estimation method takes into account certain unobservable...