The general consensus among health economists is that the increasing capability of medical providers-often called medical "technology"-is responsible for the majority of growth in medical expenditure. And yet, the principle means of understanding medical technology is through the use of total...

We construct and estimate a model that features endogenous growth and technology diffusion. The spillover effects from research and development provide a link between business cycle fluctuations and long-term growth. Therefore, productivity growth is related to the state of the economy. Shocks...