G. Bassett and R. Koenker, Asymptotic theory of least absolute error regression, Journal of the American Statistical Association, vol.73, pp.618-622, 1978.

R. Koenker and . Bassett, Regression quantiles, Econometrica, vol.46, pp.33-50, 1978.

V. Chernozhukov and C. Hansen, An IV Model of Quantile Treatment Effects, Econometrica, vol.73, pp.245-261, 2005.

V. Chernozhukov and C. Hansen, Instrumental Quantile Regression Inference for Structural and Treatment Effect Models, Journal of Econometrics, vol.132, pp.491-525, 2006.

V. Chernozhukov and C. Hansen, Instrumental Variable Quantile Regression: A Robust Inference Approach, Journal of Econometrics, vol.142, pp.379-398, 2008.

V. Chernozhukov and C. Hansen, The Reduced Form: A Simple Approach to Inference with Weak Instruments, Economics Letters, vol.100, pp.68-71, 2008.

O. Arias, K. F. Hallock, and W. Sosa-escudero, Individual Heterogeneity in the Returns to Schooling: Instrumental Variables Quantile Regression Using Twins Data, Empirical Economics, vol.26, pp.7-40, 2001.

J. Powell, The Asymptotic Normality of Two-Stage Least Absolute Deviations Estimators, Econometrica, vol.51, pp.1569-1575, 1983.

R. Blundell, J. L. Powell, and M. Dewatripont, Endogeneity in Nonparametric and Semiparametric Regression Models, Advances in Economics and Econometrics: Theory and Applications, Eighth World Congress, pp.312-356, 2006.

C. Muller, Optimising Anti-Poverty Transfers with Quantile Regressions, Applied and Computational Mathematics, vol.4, issue.2, 2005.

C. Muller and S. Bibi, Refining Targeting against Poverty: Evidence from Tunisia, Oxford Bulletin of Economics and Statistics, vol.72, p.3, 2010.

L. A. Chen, Regression Quantiles and Trimmed Least-Squares Estimators for Structural Equations and Non-Linear Regression Models, 1988.

L. A. Chen and S. Portnoy, Two-Stage Regression Quantiles and Two-Stage Trimmed Least Squares Estimators for Structural Equation Models, Commun Statist Theory Meth, vol.25, pp.1005-1032, 1996.

T. Kim and C. Muller, Inconsistency Transmission and Variance Reduction in Two-Stage Quantile Estimation(with T, Forthcoming in Communications in Statistics: Computation and Simulation, 2018.

T. Kim and C. Muller, Two-Stage Quantile Regressions when the First Stage is Based on Quantile Regressions, The Econometrics Journal, pp.18-46, 2004.

T. Kim and C. Muller, A Test for Endogeneity in Quantiles, 2012.
URL : https://hal.archives-ouvertes.fr/halshs-00854527

S. Lee, Endogeneity in Quantile Regression Models: A Control Function Approach, Journal of Econometrics, vol.141, issue.1, pp.1131-1158, 2007.

T. Kim and C. Muller, A Robust Test of Exogeneity Based on Quantile Regressions, Journal of Statistical Computation and Simulation, vol.87, issue.11, pp.2161-2174, 2017.
URL : https://hal.archives-ouvertes.fr/halshs-01508067

A. S. Galvao and G. Montes-rosas, On the Equivalence of IV Estimators for Linear Models, Economic Letters, vol.134, pp.13-15, 2015.

R. Koenker, Quantile Regressions, 2005.

A. Abadie, J. Angrist, and G. Imbens, Instrumental Variables Estimates of the Effect of Subsidized Training on the Quantiles of Trainee Earnings, Econometrica, vol.70, pp.91-117, 2002.

T. Amemiya, Two Stage Least Absolute Deviations Estimators, Econometrica, vol.50, pp.689-711, 1982.

V. Chernozhukov, G. W. Imbens, and W. K. Newey, Instrumental Variable Estimation of Nonseparable Models, Journal of Econometrics, vol.139, issue.1, pp.4-14, 2007.

T. Chevapatrakul, T. Kim, and P. Mizen, The Taylor Principle and Monetary Policy Approaching a Zero Bound on Nominal Rates: Quantile Regression Results for the United States and Japan, Journal of Money, Credit and Banking, vol.41, pp.1705-1723, 2009.

G. Chortareas, G. Magonis, and T. Panagiotidis, The Asymmetry of the New Keynesian Phillips Curve in the Euro Area, Economics Letters, vol.114, issue.2, pp.161-163, 2012.

J. Garcia, P. J. Hernandez, and A. Lopez, How Wide is the Gap? An Investigation of Gender Wage Differences Using Quantile Regression, Empirical Economics, vol.26, issue.1, pp.149-167, 2001.

H. Hong and E. Tamer, Inference in Censored Models with Endogenous Regressors, Econometrica, vol.71, pp.905-932, 2003.

B. E. Honore and L. Hu, On the Performance of Some Robust Instrumental Variables Estimators, Journal of Business and Economic Statistics, vol.22, pp.30-39, 2004.

L. Ma and R. Koenker, Quantile Regression Methods for Recursive Structural Equation Models, Journal of Econometrics, vol.134, pp.471-506, 2006.

C. Muller, Heterogeneity and nonconstant effect in two-stage quantile regression, Econometrics and Statistics, vol.8, pp.3-12, 2018.
URL : https://hal.archives-ouvertes.fr/halshs-01157552

, Smoothed Estimating Equations for Instrumental Variables Quantile Regression, Econometric Theory, vol.33, issue.1, pp.105-157, 2017.

A. F. Galvao, L. Castro, D. Kaplan, and X. Liu, Smoothed GMM for quantile models, Forthcoming Journal of Econometrics, 2020.

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