@article{publication-24387,
	author={Winkelmann, Rainer},
	doi={10.1515/jem-2023-0028},
	issn={2156-6674},
	journal={Journal of Econometric Methods},
	pages={Epub ahead of print-Epub ahead of print},
	publisher={De Gruyter},
	title={Neglected heterogeneity, Simpson’s paradox, and the anatomy of least squares},
	year=2023,
}