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We consider testing for weak instruments in a model with multiple endogenous variables. Unlike Stock and Yogo (2005), who considered a weak instruments problem where the rank of the matrix of reduced form parameters is near zero, here we consider a weak instruments problem of a near rank...
Persistent link: https://www.econbiz.de/10011285977
Persistent link: https://www.econbiz.de/10011592173
We consider testing for weak instruments in a model with multiple endogenous variables. Unlike Stock and Yogo (2005), who considered a weak instruments problem where the rank of the matrix of reduced form parameters is near zero, here we consider a weak instruments problem of a near rank...
Persistent link: https://www.econbiz.de/10010368229
We consider testing for weak instruments in a model with multiple endogenous variables. Unlike Stock and Yogo (2005), who considered a weak instruments problem where the rank of the matrix of reduced form parameters is near zero, here we consider a weak instruments problem of a near rank...
Persistent link: https://www.econbiz.de/10011010138
There is hope for the generalized method of moments (GMM). Lanne and Saikkonen (2011) show that the GMM estimator is inconsistent, when the instruments are lags of noncausal variables. This paper argues that this inconsistency depends on distributional assumptions, that do not always hold. In...
Persistent link: https://www.econbiz.de/10013117256
We propose a procedure for testing simple hypotheses on a subset of the structural parameters in linear instrumental variables models. Our test is valid uniformly over a large class of distributions allowing for identification failure and heteroskedasticity. The large-sample distribution of our...
Persistent link: https://www.econbiz.de/10013020836
This paper studies the selection of valid and relevant moments for the generalized method of moments (GMM) estimation. For applications with many candidate moments, our asymptotic analysis accommodates a diverging number of moments as the sample size increases. The proposed procedure achieves...
Persistent link: https://www.econbiz.de/10013074163
We propose a new finite sample corrected variance estimator for the linear generalized method of moments (GMM) including the one-step, two-step, and iterated estimators. Our formula additionally corrects for the over-identification bias in variance estimation on top of the commonly used finite...
Persistent link: https://www.econbiz.de/10012863983
This paper develops a new distribution theory and inference methods for over-identified Generalized Method of Moments … with heterogeneous and growing cluster sizes. This paper is the first to provide a rigorous theory for the iterated GMM … asymptotic theory allows the moments to be possibly misspecified, which is a general feature of approximate over …
Persistent link: https://www.econbiz.de/10014033687
The instrumental variable model is one of the central tools for the analysis of causal relationships in observational data. The Anderson and Rubin (1949) test is an important method that allows for reliable inference in the instrumental variable model when the instruments are weak. Yet, the...
Persistent link: https://www.econbiz.de/10013210938