Papaioannou, George P., Christos Dikaiakos, Akylas Stratigakos, Anargyros Dramountanis, and Antonio T. Alexandridis. 2018. “Using a Rolling Vector Error Correction Model to Model Static and Dynamic Causal Relations Between Electricity Spot Price and Related Fundamental Factors: The Case of Greek Electricity Market”. International Journal of Energy Economics and Policy 8 (1):38-54. https://mail.econjournals.com/index.php/ijeep/article/view/5624.