YANG, Boran. Long-Term Cointegration and Short-Term Asymmetric Adjustment——An Empirical Study on the Linkage Between Copper Futures and Nonferrous Metals ETF Returns. CPS Digital Library - Series of Conferences, [S. l.], v. 1, p. 51–60, 2026. Disponível em: https://seriesofconference.com/index.php/SCJ/article/view/201. Acesso em: 17 jul. 2026.