@data{categorica/2011,
author = {Li, Qi and Ouyang, Desheng and Racine, Jeffrey S.},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {categorical-semiparametric-varyingcoefficient-models},
year = {2011},
version = {1},
url = {https://jda-test.zbw.eu/dataset/categorical-semiparametric-varyingcoefficient-models} 
}