An Empirical Examination of the Effectiveness of the Federal Reserve’s Unconventional Monetary Policy Tools in Managing Unemployment and Inflation during Periods of Economic Uncertainty in the USA: A Sustainable Development Perspective. International Journal of Environmental Sciences, [S. l.], v. 11, n. 2s, p. 305–315, 2025. DOI: 10.64252/a9r04w48. Disponível em: http://theaspd.com/index.php/ijes/article/view/172.. Acesso em: 22 sep. 2025.