PALAMULENI, M. L. The Unemployment Invariant Hypothesis: Heterogeneous Panel Cointegration Evidence from U.S. State Level Data. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 1, p. 414–419, 2017. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/3239. Acesso em: 20 apr. 2024.