Shah, Ketan K. “Marginal Productivity Theory : What Does It Explain – Distribution or Employment?”. Arthshastra Indian Journal of Economics & Research 5, no. 4 (August 1, 2016): 20–26. Accessed December 9, 2025. https://www.indianjournalofeconomicsandresearch.com/index.php/aijer/article/view/100770.