A heated debate has arisen over what Modigliani has dubbed the Macro Rational Expections (MRE) hypothesis. This hypothesis embodies two component hypotheses: 1) rational expectations and 2) short-run neutrality -- i.e., that anticipated changes in aggregate demand will have already been taken...

This paper uses the marginal treatment effect (MTE) to unify the nonparametric literature on treatment effects with the econometric literature on structural estimation using a nonparametric analog of a policy invariant parameter; to generate a variety of treatment effects from a common...