FERNANDO LEFORT. Sustitution Bias in the Consumer Price Index. ECONOMÍA CHILENA, [S. l.], v. 1, n. 1, p. 043–058, 1998. Disponível em: https://xn--economachilena-5lb.cl/index.php/economiachilena/article/view/3. Acesso em: 18 apr. 2026.