characterization, we introduce notions of conditioning and conditional extended instrumental variables (EIVs). These are not proper … identification. We show that by carefully specifying the structural equations and by extending the standard notion of instrumental … variables, one can identify and estimate causal effects in the endogenous regressor case for a broad range of economically …

reweighting, instrumental variables, and regression discontinuity. Practical examples are offered, and discussion focuses on …

This note examines the instrumental variables method used by Neumark, Zhang, and Ciccarella (2005) to analyze Wal …

classical Instrumental Variables were introduced as well as the idea of implicit weighting the residuals (firstly employed by …The definition of Instrumental Weighted Variables (IWV) (which is a robust version of the classical Instrumental … Variables) and conditions for the weak consistency as given in the Part I of this paper are recalled. The reasons why the …

restriction involving instrumental variables. The paper presents a test of the hypothesis that <i>g</i> belongs to a finite … instrumental variables estimation. Under mild conditions, the test is consistent against any alternative model. In large samples … with inference about a function g that is identifled by a conditional quantile restriction involving instrumental variables …

alternative instrumental variables approach that statistically mimics an experimental study and does not rely on prices as …