WÓJTOWICZ, Tomasz. How to define macroeconomic announcement surprises? An example of the impact of US macroeconomic news on stock prices on the Warsaw Stock Exchange. Managerial Economics, [S. l.], v. 23, n. 1, p. 77, 2023. DOI: 10.7494/manage.2022.23.1.77. Disponível em: https://journals.agh.edu.pl/manage/article/view/5218. Acesso em: 9 apr. 2025.