1. http://surl.li/pxje
2. The Causality Between Consumer Confidence Index and Stock Returns: Evidence from Recursive Evolving Granger Causality Test Special Issue on Applied Economics and Finance;Cagli;Journal of Yasar University,2019
3. The Causality Relationships between Economic Confidence and Fundamental Macroeconomic Indicators: Empirical Evidence from Selected European Union Countries;Demirel;International Journal of Economics and Financial Issues,2017
4. Confidence Indicators and Economic Developmentshttps://www.ecb.europa.eu/pub/pdf/mobu/mb201301en.pdf
5. A Unit Root Test Using a Fourier Series to Approximate Smooth Breaks*