UMIŃSKI, Paweł. The Importance of the Financial Sector and Its Impact on Economic System in the United States in Years 1970–2010. Equilibrium. Equilibrium. Quarterly Journal of Economics and Economic Policy. Online. 20 June 2011. Vol. 6, no. 3, pp. 59-70. [Accessed 8 July 2025]. DOI 10.12775/EQUIL2011.020.