@article{martins_paula_botelho_2021, title={Technological Innovations and Industry 4.0 in the Steel Industry: Diffusion, Market Structure and Intra-Sectoral Heterogeneity}, volume={20}, ISSN={2178-2822}, url={https://doi.org/10.20396/rbi.v20i00.8660896}, DOI={10.20396/rbi.v20i00.8660896}, journal={Revista Brasileira de Inovação}, publisher={Universidade Estadual de Campinas}, author={Martins, Mozart Santos and Paula, Germano Mendes de and Botelho, Marisa dos Reis A.}, year={2021}, pages={e021006} }