In parametric models a sufficient condition for local identification is that the vector of moment conditions is … imply local identification. It turns out these conditions are slightly stronger than needed and are hard to check, so we …

and apply these bounds in an example. We also consider identification from budget set variation. We find that kinks alone …

In parametric models a sufficient condition for local identification is that the vector of moment conditions is … the true value that are sufficient for local identification. We apply these results to obtain new, primitive … identification conditions in several important models, including nonseparable quantile instrumental variable (IV) models, single …

representing a different kind of treatment. We use control variables to give necessary and sufficient conditions for identification … (Imbens, 2000) are bounded away from zero with probability one, a simple identification condition is that their sum be bounded … away from one with probability one. These results generalize the classical identification result of Rosenbaum and Rubin …

representing a different kind of treatment. We use control variables to give necessary and sufficient conditions for identification … are mean independent from treatments given the controls, a simple identification condition is that the generalized …. These results generalize the classical identification result of Rosenbaum and Rubin (1983) for binary treatments. …

and apply these bounds in an example. We also consider identification from budget set variation. We find that kinks alone …