Indirect taxation on VAT consumption. A possible study of alternative tax rate models in Portugal Ricardo Manuel de Barboza Marques de Moraes e Soares, Paula Alexandra Godinho Pires Heliodoro 2023 Investment Management and Financial Innovations 10.21511/imfi.20(4).2023.14 Team Researchers Other ResearchersPaula Alexandra Godinho Pires Heliodoro Ricardo Manuel de Barboza Marques de Moraes e Soares