It has been difficult to open up the black box of knowledge production. We use unique international data on the publications, citations, and affiliations of mathematicians to examine the impact of a large post-1992 influx of Soviet mathematicians on the productivity of their American...

The main focus of this paper is on the process and progress of economic reform in Russia. But I start with four historical questions that bear on the current situation. How advanced was Russia in 1913? What relevance, if any, does the New Economic Policy of the 19205, or NEP, have for the...