Sozanskyy, Lyubomyr. “Output Multipliers in the Economies of Germany, Poland and Slovakia: A Comparative Input-Output Analysis”. Olsztyn Economic Journal 21, no. 1 (July 16, 2026): 97–115. Accessed August 1, 2026. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/12707.