(en) This paper estimates the achievement of Nobel Prize winners in Economics according to a simple model which exponentially relates fame to achievement. Based on Google hits, Paul Krugman, Joseph Stiglitz and Milton Friedman turn out to be the top-three economists that achieved most.
Claes, A., & De Ceuster, M. (2013). Estimating the Economics Nobel Prize Laureates’ Achievement from Fame. Applied Economics Letters, 20(9), 884-888 (NaN). https://doi.org/10.1080/13504851.2012.758836 (Original work published 2013)