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Randomized control trials are often considered the gold standard to establish causality. However, in many policy-relevant situations, these trials are not possible. Instrumental variables affect the outcome only via a specific treatment; as such, they allow for the estimation of a causal effect....
Persistent link: https://www.econbiz.de/10011449458
This paper considers the first order large sample properties of the GEL class of estimators for models specified by non-smooth indicators. The GEL class includes a number of estimators recently introduced as alternatives to the efficient GMM estimator which may suffer from substantial biases in...
Persistent link: https://www.econbiz.de/10003739699
Persistent link: https://www.econbiz.de/10010190657
the 2SLS and the MLIML estimators.The approximations to the bias are then used to develop less biased estimators whose …
Persistent link: https://www.econbiz.de/10011688506
convergence rate of the QML estimators has not been formally studied, and methods for correcting finite sample bias of the QML … estimators have not been given. This paper fills in these gaps. Of the two, bias correction is particularly important to the … those for the SLD model in terms of the rate of convergence and the magnitude of bias. Monte Carlo results show that the …
Persistent link: https://www.econbiz.de/10011297624
average beer elasticities for heterogeneity, dependence, and publication selection bias. A sample of 191 estimates is obtained … estimates per study, author-restricted samples, and author-specific variables. Publication bias is addressed using a funnel … graph, trim-and-fill, and Egger's intercept model. Heterogeneity and selection bias are examined jointly in meta …
Persistent link: https://www.econbiz.de/10013088581
In this paper, we show that conditions derived under the CAPM ensure only weak exogeneity in a linear regression setting. Since strong exogeneity is not guaranteed, the OLS estimator of CAPM beta is only consistent but not necessarily unbiased. We provide empirical evidence that individual daily...
Persistent link: https://www.econbiz.de/10012935615
This paper studies an alternative bias correction for the M-estimator, which is obtained by correcting the moment … equations in the spirit of Firth (1993). In particular, this paper compares the stochastic expansions of the analytically-bias …-step bias correction by using the bias correction of moment equations. This finding suggests that the comparison between the one …
Persistent link: https://www.econbiz.de/10011650483
We assess the bias and the efficiency of state-of-the-art dynamic panel data estimators by means of model-based Monte …
Persistent link: https://www.econbiz.de/10011761250
This paper develops the approximate bias of the ordinary least squares estimator of the mean reversion parameter in … whether the initial condition is fixed or random. The approximate bias is used to construct a bias corrected estimator. The … performance of the approximate bias and the bias corrected estimator is examined using simulated data …
Persistent link: https://www.econbiz.de/10012997979