“THE FREQUENCY-DOMAIN CAUSALITY RELATIONSHIP BETWEEN GOVERNMENT SPENDING AND GDP FOR THE PERIOD 1967-2023: WHICH IS MORE VALID IN ALGERIA, THE KEYNESIAN HYPOTHESIS OR WAGNER’S LAW?”. Lex localis - Journal of Local Self-Government 23, no. S6 (October 3, 2025): 7996–8010. Accessed August 14, 2026. https://lex-localis.org/index.php/LexLocalis/article/view/803020.