Mark E. Schaffer

Instrumental Variables and GMM: Estimation and Testing

Christopher F. Baum, Mark E. Schaffer, Steven Stillman · The Stata Journal Promoting communications on statistics and Stata · 2003 · 2.6K citations · Full text

Econometric Model, Economics, Asset Pricing +10

Enhanced Routines for Instrumental Variables/Generalized Method of Moments Estimation and Testing

Christopher F. Baum, Mark E. Schaffer, Steven Stillman · The Stata Journal Promoting communications on statistics and Stata · 2007 · 1.2K citations · Full text

Parameter Estimation, Engineering, Applied Economics +21

Enhanced routines for instrumental variables/GMM estimation and testing

Christopher F. Baum, Mark E. Schaffer, Steven Stillman · RePEc: Research Papers in Economics · 2007 · 482 citations

XTIVREG2: Stata module to perform extended IV/2SLS, GMM and AC/HAC, LIML and k-class regression for panel data models

Mark E. Schaffer · Statistical Software Components · 2005 · 291 citations

Stata Module, Orthogonality Tests, Engineering +11

Evolutionarily stable strategies for a finite population and a variable contest size

Mark E. Schaffer · Journal of Theoretical Biology · 1988 · 287 citations

Evolutionary Game Theory, Evolution Strategy, Game Theory +10