Gallego, F. . and Johnson, C. . (2001) “Theoretical and Practical Approaches for Determining Trend Output: an Application to Chile”, ECONOMÍA CHILENA, 4(2), pp. 27–58. Available at: http://xn--economachilena-5lb.cl/index.php/economiachilena/article/view/41 (Accessed: 18 April 2026).