Khan, Faisal, Saif Ur Rehman Khan, and Hashim Khan. 2016. “Pricing of Risk, Various Volatility Dynamics and Macroeconomic Exposure of Firm Returns: New Evidence on Age Effect”. International Journal of Economics and Financial Issues 6 (2):551-61. https://econjournals.net.tr/index.php/ijefi/article/view/1533.