Demirel, Selim Koray, and Seyfettin Artan. 2017. “The Causality Relationships Between Economic Confidence and Fundamental Macroeconomic Indicators: Empirical Evidence from Selected European Union Countries”. International Journal of Economics and Financial Issues 7 (5):417-24. https://econjournals.com/index.php/ijefi/article/view/5356.