In heterogeneous treatment effect models with endogeneity, identification of the LATE typically relies on the availability of an exogenous instrument monotonically related to treatment participation. We demonstrate that a strictly weaker local monotonicity condition identifies the LATEs on...

This paper considers tests and confidence sets (CS s) concerning the coefficient on the endogenous variable in the linear IV regression model with homoskedastic normal errors and one right-hand side endogenous variable. The paper derives a finite-sample lower bound function for the probability...

Additional private schooling within a nation-state may increase citizens' political and economic freedom through increased educational quality, balanced power relationships, and increased civic engagement.We employ a two-stage-least-squares time and country-level fixed-effects analytical...