A. Aitken and . Craig, On least squares and combinations of observations, Proceedings of the Royal Society of Edinburgh, vol.55, pp.42-48, 1935.

M. Carcea and R. Serfling, A Gini autocovariance function for time series modeling, Journal of Time Series Analysis, vol.36, pp.817-855, 2015.

N. Ka and S. Mussard, 1 Regressions: Gini estimators for fixed effects panel data, Journal of Applied Statistics, vol.43, pp.1436-1482, 2016.
DOI : 10.1080/02664763.2015.1103707
URL : https://hal.archives-ouvertes.fr/hal-01784180

N. Kakwani, The unbiasedness of Zellner's seemingly unrelated regression equation estimators, Journal of the American Statistical Association, vol.82, pp.141-183, 1967.

S. Mussard and O. Hamady-ndiaye, Vector autoregressive models: A Gini approach, Physica A, vol.492, pp.1967-79, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01543271

I. Olkin and S. Yitzhaki, Gini regression analysis, International Statistical Review, vol.60, pp.185-96, 1992.
DOI : 10.2307/1403649

E. Schechtman and S. Yitzhaki, A Measure of association based on Gin's mean difference, Communications in Statistics-Theory and Methods, vol.16, pp.207-238, 1987.

P. Schmidt, Econometrics. New York: Marcel Dekker, 1976.

R. J. Serfling, Approximation Theorems of Mathematical Statistics, 1980.

A. Shelef and E. Schechtman, A Gini-based methodology for identifying and analyzing time series with non-normal innovations, SSNR Electronic Journal, pp.1-26, 2011.
DOI : 10.2139/ssrn.1885703

S. Yitzhaki and E. Schechtman, The Gini Instrumental Variable or the, pp.287-313, 2004.

, Note that, for small samples, both U a and U b are biased downward

S. Yitzhaki and E. Schechtman, The Gini Methodology. A Primer on a Statistical Methodology, 2013.

A. Zellner, This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution, Journal of the American Statistical Association, vol.57, pp.348-68, 1962.