CURRENTLY AVAILABLE 4 FORMATS OF AUCTION TRADING (ENGLISH, DUTCH, SEAL FIRST PRICE , VICKRY) WIDELY DISTRIBUTED IN THE WORLD AND THEIR PROS AND CONS IN THEIR MANAGEMENT MECHANISM. International Journal of Political Sciences and Economics, [S. l.], v. 4, n. 2, p. 23–29, 2025. DOI: 10.55640/. Disponível em: https://www.ijmri.de/index.php/ijpse/article/view/95. Acesso em: 22 feb. 2026.