CLANCY, Daragh. Output Gap Estimation Uncertainty: Extracting the TFP Cycle Using an Aggregated PMI Series. The Economic and Social Review, [S. l.], v. 44, n. 1, Spring, p. 1–18, 2013. Disponível em: https://esr.ie/index.php/esr/article/view/61. Acesso em: 19 feb. 2026.