Fonseca, R. R. da, and V. de S. e Almeida. “The Relationship Between Optimism and Merger and Acquisition Waves: Evidence from the Brazilian Market”. RAE - Revista De Administracao De Empresas, vol. 63, no. 1, Dec. 2022, pp. e2021-0169, doi:10.1590/S0034-759020230102.