Sub-optimal Tariff Policy and Gains from Trade for LDCs with Urban Unemployment. The Pakistan Development Review, [S. l.], v. 21, n. 2, p. pp.105–126, 1982. DOI: 10.30541/v21i2pp.105-126. Disponível em: https://thepdr.pk/index.php/pdr/article/view/592. Acesso em: 27 oct. 2025.