A. SipaĂșba, MagnoBochi, AnaBrum, Argemiro JacobBuffett, MaryCastells, ManuelGuilherme, Luiz Fernando do Vale de AlmeidaH. Diamandis, PeterLandsburg, StevenLeitĂŁo, MĂriamMankiw, N. GregoryMartes, Ana Cristina BragaPortes, JonathanRoss, Michael L.SantosSchrager, AllisonSmith, AdamSouzaSowell, ThomasVolpon, TonyVĂĄrios autores