Karahan, Özcan, and Olcay Çolak. “Examining the Validity of Wagner’s Law Versus Keynesian Hypothesis: Evidence from Turkey’s Economy”. Scientific Annals of Economics and Business 66, no. 1 (March 18, 2019): 117–130. Accessed July 11, 2025. https://saeb.feaa.uaic.ro/index.php/saeb/article/view/1112.