Christopher D. Carroll is an economics professor at Johns Hopkins University Baltimore and research associate at NBER. He obtained his BA from Harvard University in 1986 and his PhD from MIT in 1990. He first worked as an economist at the Federal Reserve Board and later took a job at Johns...

A citizen of France, Olivier Blanchard has spent his professional life in Cambridge, U.S. After obtaining his PhD in economics at the Massachusetts Institute of Technology in 1977, he taught at Harvard University, returning to MIT in 1982, where he has been since then. He is the Class of 1941...