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Economics Letters, ISSN 0165-1765, 09/2013, Volume 120, Issue 3, pp. 495 - 498
This paper frames indirect inference bias correction as a stochastic root-finding problem and proposes a computationally efficient method to solve it. The... 
Bias correction | Weak instrument bias | Stochastic approximation | Indirect inference | Two-stage least squares | ECONOMICS
Journal Article
Genetic Epidemiology, ISSN 0741-0395, 11/2016, Volume 40, Issue 7, pp. 597 - 608
Journal Article
ISSN 0741-0395, 2016
Mendelian randomization analyses are often performed using summarized data. The causal estimate from a one-sample analysis (in which data are taken from a... 
instrumental variables | Mendelian randomization | summarized data | weak instrument bias | aggregated data
Journal Article
Economics and Human Biology, ISSN 1570-677X, 05/2016, Volume 21, pp. 137 - 146
Many studies in economics use quarter of birth as an instrument for identifying the causal effect of schooling on outcomes such as earnings and health. The key... 
Instrumental variable | SNPs | Genetic variation | Quarter of birth | GENOME-WIDE-ASSOCIATION | RETURNS | EARNINGS | EDUCATIONAL-ATTAINMENT | INFERENCE | IDENTIFICATION | HERITABILITY | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | WEAK INSTRUMENTS | VARIABLES REGRESSION | ECONOMICS | COMPLEX DISEASES
Journal Article
Statistics in Medicine, ISSN 0277-6715, 05/2011, Volume 30, Issue 11, pp. 1312 - 1323
Journal Article
Economics Letters, ISSN 0165-1765, 2011, Volume 113, Issue 1, pp. 76 - 79
We consider the bias of the two-stage least squares (2SLS) estimator in linear instrumental variable regression with only one endogenous regressor. By using... 
Weak instruments | Bias | Instrumental variables | DISTRIBUTIONS | INSTRUMENTAL VARIABLE ESTIMATORS | ALTERNATIVE APPROXIMATIONS | ECONOMICS | IDENTIFICATION | Bias Instrumental variables Weak instruments
Journal Article
6/2016, ISBN 9781785607875, Volume 36, 29
Abstract This paper considers the finite-sample distribution of the 2SLS estimator and derives bounds on its exact bias in the presence of weak and/or many... 
Economics | Econometrics | Mathematical/quantitative economics | Instrumental variables | K-class estimators | Finite sample | Weak and many instruments
Book Chapter
Quarterly Journal of the Royal Meteorological Society, ISSN 0035-9009, 10/2005, Volume 131, Issue 613, pp. 3323 - 3343
Journal Article
The Econometrics Journal, ISSN 1368-4221, 1/2004, Volume 7, Issue 1, pp. 272 - 306
In this paper, we consider parameter estimation in a linear simultaneous equations model. It is well known that two-stage least squares (2SLS) estimators may... 
Estimation bias | Estimate reliability | Monte Carlo methods | Approximation | Instrumental variables estimation | Sampling bias | Mathematical moments | Coefficients | Social biases | Estimators | Weak instruments | Higher‐order expansions | Bias reduction | Jackknife | 2SLS
Journal Article
International Journal of Epidemiology, ISSN 0300-5771, 08/2013, Volume 42, Issue 4, pp. 1134 - 1144
Background An allele score is a single variable summarizing multiple genetic variants associated with a risk factor. It is calculated as the total number of... 
Genetic risk scores | Weak instruments | Allele scores | Instrumental variables | Mendelian randomization | PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH | genetic risk scores | instrumental variables | BIAS | allele scores | weak instruments | Mendelian Randomization Analysis - methods | Bias | Humans | Risk Factors | Alleles | Models, Genetic | Causality | Methodology
Journal Article