@article{econhot_econhot-cited-5298c08bfb2297e4, title = {Panel Data and Unobservable Individual Effects}, author = {Jerry A. Hausman and William E. Taylor}, journal = {Econometrica}, year = {1981}, volume = {49}, number = {6}, pages = {1377}, doi = {10.2307/1911406}, url = {https://doi.org/10.2307/1911406} }