@article{spada_guimarães_2013,  title={Investigating elite behavior through field experiment in Brazil: do candidates answer more to core or swing voters?},  volume={7},  ISSN={1981-3821},  url={https://www.scielo.br/j/bpsr/a/QcPbLP344FVsnLjRwYVz3Xd/},  number={1},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Spada, Paolo and Guimarães, Feliciano de Sá},  year={2013},  pages={56–73} }