Singh, S. (2009) “The Inverted Pyramid Model - A Physical Perspective to Understand How Risk is Undermined in Designing Complex Financial Instruments”, Indian Journal of Finance, 3(8), pp. 3–7. Available at: https://indianjournalofentrepreneurship.com/index.php/IJF/article/view/71590 (Accessed: 5 October 2025).