Davidson, Paul. “Can Future Systemic Financial Risks Be Quantified? Ergodic Vs Nonergodic Stochastic Processes”. Brazilian Journal of Political Economy 29, no. 4 (October 1, 2009): 324-340. Accessed May 1, 2024. https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/500.