The regressions in Clemens et al. (2012) are fully replicable with open-access data and code. Roodman (2015) alters the regression specifications in that paper by adding twice-lagged aid, after which he cannot reject the null hypothesis of a zero effect of aid on growth. We show, with...

Clemens, Radelet, Bhavnani, and Bazzi (CRBB) argue that the most-cited cross-country studies of the impact of foreign aid can be reconciled if changed in certain ways. The shared finding is then, in the CRBB view, that more aid is followed on average by more growth. I exactly replicate the...

Goolsbee and Maydew (G&M) reported that lowering the weight on payroll in states’ corporate income tax apportionment formulae had the potential to raise manufacturing employment. Their analyses continue to be cited in academic articles and are still influential in the policy debate. I...