Algaeed, Abdulaziz Hamad. “The Impacts of Non-Linear Oil Price Shocks on Saudi Savinginvestment Behavior: An Empirical Investigation”. International Journal of Economics and Financial Issues, vol. 7, no. 2, Apr. 2017, pp. 155-6, https://econjournals.com/index.php/ijefi/article/view/3949.