Citations in Economics: Measurement, Uses and Impacts
NBER Working Paper No. 21754
---- Acknowledgments ----
I am indebted to V. Bhaskar, Marika Cabral, Donald Davis, Jeffrey Frankel, Brendan Kline, Paul Menchik, Hugo Mialon, Andrew Oswald, Gerard Pfann, Ellis Tallman, Manuelita Ureta and participants in seminars at several institutions for helpful suggestions. Frances Hamermesh greatly improved the exposition. The views expressed herein are those of the author and do not necessarily reflect the views of the National Bureau of Economic Research.