Hashemzadeh, Nozar, and Daniel Farhat. “Has the Amplitude of Business Cycles Deepened in the Post-World War II Era? A Variance Analysis of Thirty-Five Countries”. Journal of Applied Business and Economics 22, no. 2 (May 25, 2020). Accessed December 22, 2024. https://articlegateway.com/index.php/JABE/article/view/2803.