"This Handbook provides an overview of established and cutting-edge contributions to political economic thought. Chapters by leading and emerging scholars showcase the diverse approaches and productive debates among researchers. Separate sections of the book deal with political economy as an...

This essay reviews progress in empirical economics since Leamer's (1983) critique. Leamer highlighted the benefits of sensitivity analysis, a procedure in which researchers show how their results change with changes in specification or functional form. Sensitivity analysis has had a salutary but...