Ferreira, PauloLoures, LuisNunes, JoséBrito, Paulo2021-12-212021-12-212018http://hdl.handle.net/10400.26/38365engAre renewable energy stocks a possibility to diversify portfolios considering an environmentally friendly approach? The view of DCCA correlation coefficientjournal article2021-11-13cv-prod-81018710.1016/j.physa.2018.08.1082-s2.0-85051632226